20198971260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 432

約数和(自身を含む): 71005727520

約数和(自身を除く): 50806756260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 139, 153, 156, 169, 170, 180, 195, 204, 221, 234, 255, 260, 278, 281, 306, 338, 340, 390, 417, 442, 468, 507, 510, 556, 562, 585, 612, 663, 676, 695, 765, 780, 834, 843, 845, 884, 1014, 1020, 1105, 1124, 1170, 1251, 1326, 1390, 1405, 1521, 1530, 1668, 1686, 1690, 1807, 1989, 2028, 2085, 2210, 2340, 2363, 2502, 2529, 2535, 2652, 2780, 2810, 2873, 3042, 3060, 3315, 3372, 3380, 3614, 3653, 3978, 4170, 4215, 4420, 4726, 4777, 5004, 5058, 5070, 5421, 5620, 5746, 6084, 6255, 6630, 7089, 7228, 7306, 7605, 7956, 8340, 8430, 8619, 9035, 9452, 9554, 9945, 10116, 10140, 10842, 10959, 11492, 11815, 12510, 12645, 13260, 14178, 14331, 14365, 14612, 15210, 16263, 16860, 17238, 18070, 18265, 19108, 19890, 21267, 21684, 21918, 23491, 23630, 23885, 25020, 25290, 25857, 27105, 28356, 28662, 28730, 30420, 30719, 32526, 32877, 34476, 35445, 36140, 36530, 39059, 39780, 42534, 42993, 43095, 43836, 46982, 47260, 47489, 47770, 50580, 51714, 54210, 54795, 57324, 57460, 61438, 62101, 65052, 65754, 70473, 70890, 71655, 73060, 78118, 81315, 85068, 85986, 86190, 92157, 93964, 94978, 95540, 103428, 106335, 108420, 109590, 117177, 117455, 122876, 124202, 129285, 131508, 140946, 141780, 142467, 143310, 153595, 156236, 162630, 164385, 171972, 172380, 184314, 186303, 189956, 195295, 211419, 212670, 214965, 219180, 234354, 234910, 237445, 248404, 258570, 276471, 281892, 284934, 286620, 307190, 310505, 325260, 328770, 351531, 352365, 368628, 372606, 390590, 399347, 422838, 425340, 427401, 429930, 460785, 468708, 469820, 474890, 507767, 517140, 552942, 558909, 569868, 585885, 614380, 621010, 657540, 664003, 703062, 704730, 712335, 745212, 781180, 798694, 807313, 845676, 854802, 859860, 921570, 931515, 949780, 1015534, 1057095, 1105884, 1117818, 1171770, 1198041, 1242020, 1328006, 1382355, 1406124, 1409460, 1424670, 1523301, 1597388, 1614626, 1709604, 1757655, 1843140, 1863030, 1992009, 1996735, 2031068, 2114190, 2137005, 2235636, 2343540, 2396082, 2421939, 2538835, 2656012, 2764710, 2794545, 2849340, 3046602, 3229252, 3320015, 3515310, 3594123, 3726060, 3984018, 3993470, 4036565, 4228380, 4274010, 4569903, 4792164, 4843878, 5077670, 5529420, 5589090, 5976027, 5990205, 6093204, 6600971, 6640030, 7030620, 7188246, 7265817, 7616505, 7968036, 7986940, 8073130, 8548020, 8632039, 9139806, 9687756, 9960045, 10155340, 11178180, 11952054, 11980410, 12109695, 13201942, 13280060, 14376492, 14531634, 15233010, 16146260, 17264078, 17970615, 18279612, 19802913, 19920090, 22849515, 23904108, 23960820, 24219390, 25896117, 26403884, 29063268, 29880135, 30466020, 33004855, 34528156, 35941230, 36329085, 39605826, 39840180, 43160195, 45699030, 48438780, 51792234, 59408739, 59760270, 66009710, 71882460, 72658170, 77688351, 79211652, 86320390, 91398060, 99014565, 103584468, 112216507, 118817478, 119520540, 129480585, 132019420, 145316340, 155376702, 172640780, 198029130, 224433014, 237634956, 258961170, 297043695, 310753404, 336649521, 388441755, 396058260, 448866028, 517922340, 561082535, 594087390, 673299042, 776883510, 1009948563, 1122165070, 1188174780, 1346598084, 1553767020, 1683247605, 2019897126, 2244330140, 3366495210, 4039794252, 5049742815, 6732990420, 10099485630, 20198971260]

約数ペア:

[(1, 20198971260), (2, 10099485630), (3, 6732990420), (4, 5049742815), (5, 4039794252), (6, 3366495210), (9, 2244330140), (10, 2019897126), (12, 1683247605), (13, 1553767020), (15, 1346598084), (17, 1188174780), (18, 1122165070), (20, 1009948563), (26, 776883510), (30, 673299042), (34, 594087390), (36, 561082535), (39, 517922340), (45, 448866028), (51, 396058260), (52, 388441755), (60, 336649521), (65, 310753404), (68, 297043695), (78, 258961170), (85, 237634956), (90, 224433014), (102, 198029130), (117, 172640780), (130, 155376702), (139, 145316340), (153, 132019420), (156, 129480585), (169, 119520540), (170, 118817478), (180, 112216507), (195, 103584468), (204, 99014565), (221, 91398060), (234, 86320390), (255, 79211652), (260, 77688351), (278, 72658170), (281, 71882460), (306, 66009710), (338, 59760270), (340, 59408739), (390, 51792234), (417, 48438780), (442, 45699030), (468, 43160195), (507, 39840180), (510, 39605826), (556, 36329085), (562, 35941230), (585, 34528156), (612, 33004855), (663, 30466020), (676, 29880135), (695, 29063268), (765, 26403884), (780, 25896117), (834, 24219390), (843, 23960820), (845, 23904108), (884, 22849515), (1014, 19920090), (1020, 19802913), (1105, 18279612), (1124, 17970615), (1170, 17264078), (1251, 16146260), (1326, 15233010), (1390, 14531634), (1405, 14376492), (1521, 13280060), (1530, 13201942), (1668, 12109695), (1686, 11980410), (1690, 11952054), (1807, 11178180), (1989, 10155340), (2028, 9960045), (2085, 9687756), (2210, 9139806), (2340, 8632039), (2363, 8548020), (2502, 8073130), (2529, 7986940), (2535, 7968036), (2652, 7616505), (2780, 7265817), (2810, 7188246), (2873, 7030620), (3042, 6640030), (3060, 6600971), (3315, 6093204), (3372, 5990205), (3380, 5976027), (3614, 5589090), (3653, 5529420), (3978, 5077670), (4170, 4843878), (4215, 4792164), (4420, 4569903), (4726, 4274010), (4777, 4228380), (5004, 4036565), (5058, 3993470), (5070, 3984018), (5421, 3726060), (5620, 3594123), (5746, 3515310), (6084, 3320015), (6255, 3229252), (6630, 3046602), (7089, 2849340), (7228, 2794545), (7306, 2764710), (7605, 2656012), (7956, 2538835), (8340, 2421939), (8430, 2396082), (8619, 2343540), (9035, 2235636), (9452, 2137005), (9554, 2114190), (9945, 2031068), (10116, 1996735), (10140, 1992009), (10842, 1863030), (10959, 1843140), (11492, 1757655), (11815, 1709604), (12510, 1614626), (12645, 1597388), (13260, 1523301), (14178, 1424670), (14331, 1409460), (14365, 1406124), (14612, 1382355), (15210, 1328006), (16263, 1242020), (16860, 1198041), (17238, 1171770), (18070, 1117818), (18265, 1105884), (19108, 1057095), (19890, 1015534), (21267, 949780), (21684, 931515), (21918, 921570), (23491, 859860), (23630, 854802), (23885, 845676), (25020, 807313), (25290, 798694), (25857, 781180), (27105, 745212), (28356, 712335), (28662, 704730), (28730, 703062), (30420, 664003), (30719, 657540), (32526, 621010), (32877, 614380), (34476, 585885), (35445, 569868), (36140, 558909), (36530, 552942), (39059, 517140), (39780, 507767), (42534, 474890), (42993, 469820), (43095, 468708), (43836, 460785), (46982, 429930), (47260, 427401), (47489, 425340), (47770, 422838), (50580, 399347), (51714, 390590), (54210, 372606), (54795, 368628), (57324, 352365), (57460, 351531), (61438, 328770), (62101, 325260), (65052, 310505), (65754, 307190), (70473, 286620), (70890, 284934), (71655, 281892), (73060, 276471), (78118, 258570), (81315, 248404), (85068, 237445), (85986, 234910), (86190, 234354), (92157, 219180), (93964, 214965), (94978, 212670), (95540, 211419), (103428, 195295), (106335, 189956), (108420, 186303), (109590, 184314), (117177, 172380), (117455, 171972), (122876, 164385), (124202, 162630), (129285, 156236), (131508, 153595), (140946, 143310), (141780, 142467)]