645702840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:676

約数の個数: 320

約数和(自身を含む): 2422807200

約数和(自身を除く): 1777104360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 27, 30, 34, 36, 38, 40, 45, 51, 54, 57, 60, 68, 72, 76, 81, 85, 90, 95, 102, 108, 114, 120, 135, 136, 152, 153, 162, 170, 171, 180, 190, 204, 216, 228, 255, 270, 285, 306, 323, 324, 340, 342, 360, 380, 405, 408, 456, 459, 510, 513, 540, 570, 612, 617, 646, 648, 680, 684, 760, 765, 810, 855, 918, 969, 1020, 1026, 1080, 1140, 1224, 1234, 1292, 1368, 1377, 1530, 1539, 1615, 1620, 1710, 1836, 1851, 1938, 2040, 2052, 2280, 2295, 2468, 2565, 2584, 2754, 2907, 3060, 3078, 3085, 3230, 3240, 3420, 3672, 3702, 3876, 4104, 4590, 4845, 4936, 5130, 5508, 5553, 5814, 6120, 6156, 6170, 6460, 6840, 6885, 7404, 7695, 7752, 8721, 9180, 9255, 9690, 10260, 10489, 11016, 11106, 11628, 11723, 12312, 12340, 12920, 13770, 14535, 14808, 15390, 16659, 17442, 18360, 18510, 19380, 20520, 20978, 22212, 23256, 23446, 24680, 26163, 27540, 27765, 29070, 30780, 31467, 33318, 34884, 35169, 37020, 38760, 41956, 43605, 44424, 46892, 49977, 52326, 52445, 55080, 55530, 58140, 58615, 61560, 62934, 66636, 69768, 70338, 74040, 83295, 83912, 87210, 93784, 94401, 99954, 104652, 104890, 105507, 111060, 116280, 117230, 125868, 130815, 133272, 140676, 157335, 166590, 174420, 175845, 188802, 199291, 199908, 209304, 209780, 211014, 222120, 234460, 249885, 251736, 261630, 281352, 283203, 314670, 316521, 333180, 348840, 351690, 377604, 398582, 399816, 419560, 422028, 468920, 472005, 499770, 523260, 527535, 566406, 597873, 629340, 633042, 666360, 703380, 755208, 797164, 844056, 849609, 944010, 949563, 996455, 999540, 1046520, 1055070, 1132812, 1195746, 1258680, 1266084, 1406760, 1416015, 1582605, 1594328, 1699218, 1793619, 1888020, 1899126, 1992910, 1999080, 2110140, 2265624, 2391492, 2532168, 2832030, 2989365, 3165210, 3398436, 3587238, 3776040, 3798252, 3985820, 4220280, 4248045, 4747815, 4782984, 5380857, 5664060, 5978730, 6330420, 6796872, 7174476, 7596504, 7971640, 8496090, 8968095, 9495630, 10761714, 11328120, 11957460, 12660840, 14348952, 16142571, 16992180, 17936190, 18991260, 21523428, 23914920, 26904285, 32285142, 33984360, 35872380, 37982520, 43046856, 53808570, 64570284, 71744760, 80712855, 107617140, 129140568, 161425710, 215234280, 322851420, 645702840]

約数ペア:

[(1, 645702840), (2, 322851420), (3, 215234280), (4, 161425710), (5, 129140568), (6, 107617140), (8, 80712855), (9, 71744760), (10, 64570284), (12, 53808570), (15, 43046856), (17, 37982520), (18, 35872380), (19, 33984360), (20, 32285142), (24, 26904285), (27, 23914920), (30, 21523428), (34, 18991260), (36, 17936190), (38, 16992180), (40, 16142571), (45, 14348952), (51, 12660840), (54, 11957460), (57, 11328120), (60, 10761714), (68, 9495630), (72, 8968095), (76, 8496090), (81, 7971640), (85, 7596504), (90, 7174476), (95, 6796872), (102, 6330420), (108, 5978730), (114, 5664060), (120, 5380857), (135, 4782984), (136, 4747815), (152, 4248045), (153, 4220280), (162, 3985820), (170, 3798252), (171, 3776040), (180, 3587238), (190, 3398436), (204, 3165210), (216, 2989365), (228, 2832030), (255, 2532168), (270, 2391492), (285, 2265624), (306, 2110140), (323, 1999080), (324, 1992910), (340, 1899126), (342, 1888020), (360, 1793619), (380, 1699218), (405, 1594328), (408, 1582605), (456, 1416015), (459, 1406760), (510, 1266084), (513, 1258680), (540, 1195746), (570, 1132812), (612, 1055070), (617, 1046520), (646, 999540), (648, 996455), (680, 949563), (684, 944010), (760, 849609), (765, 844056), (810, 797164), (855, 755208), (918, 703380), (969, 666360), (1020, 633042), (1026, 629340), (1080, 597873), (1140, 566406), (1224, 527535), (1234, 523260), (1292, 499770), (1368, 472005), (1377, 468920), (1530, 422028), (1539, 419560), (1615, 399816), (1620, 398582), (1710, 377604), (1836, 351690), (1851, 348840), (1938, 333180), (2040, 316521), (2052, 314670), (2280, 283203), (2295, 281352), (2468, 261630), (2565, 251736), (2584, 249885), (2754, 234460), (2907, 222120), (3060, 211014), (3078, 209780), (3085, 209304), (3230, 199908), (3240, 199291), (3420, 188802), (3672, 175845), (3702, 174420), (3876, 166590), (4104, 157335), (4590, 140676), (4845, 133272), (4936, 130815), (5130, 125868), (5508, 117230), (5553, 116280), (5814, 111060), (6120, 105507), (6156, 104890), (6170, 104652), (6460, 99954), (6840, 94401), (6885, 93784), (7404, 87210), (7695, 83912), (7752, 83295), (8721, 74040), (9180, 70338), (9255, 69768), (9690, 66636), (10260, 62934), (10489, 61560), (11016, 58615), (11106, 58140), (11628, 55530), (11723, 55080), (12312, 52445), (12340, 52326), (12920, 49977), (13770, 46892), (14535, 44424), (14808, 43605), (15390, 41956), (16659, 38760), (17442, 37020), (18360, 35169), (18510, 34884), (19380, 33318), (20520, 31467), (20978, 30780), (22212, 29070), (23256, 27765), (23446, 27540), (24680, 26163)]