1978418520

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 448

約数和(自身を含む): 7635085920

約数和(自身を除く): 5656667400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 81, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 162, 170, 180, 195, 204, 216, 221, 234, 243, 255, 260, 270, 306, 307, 312, 324, 340, 351, 360, 390, 405, 408, 442, 459, 468, 486, 510, 520, 540, 585, 612, 614, 648, 663, 680, 702, 729, 765, 780, 810, 884, 918, 921, 936, 972, 1020, 1053, 1080, 1105, 1170, 1215, 1224, 1228, 1326, 1377, 1404, 1458, 1530, 1535, 1560, 1620, 1755, 1768, 1836, 1842, 1944, 1989, 2040, 2106, 2210, 2295, 2340, 2430, 2456, 2652, 2754, 2763, 2808, 2916, 3060, 3070, 3159, 3240, 3315, 3510, 3645, 3672, 3684, 3978, 3991, 4131, 4212, 4420, 4590, 4605, 4680, 4860, 5219, 5265, 5304, 5508, 5526, 5832, 5967, 6120, 6140, 6318, 6630, 6885, 7020, 7290, 7368, 7956, 7982, 8262, 8289, 8424, 8840, 9180, 9210, 9477, 9720, 9945, 10438, 10530, 11016, 11052, 11934, 11973, 12280, 12393, 12636, 13260, 13770, 13815, 14040, 14580, 15657, 15795, 15912, 15964, 16524, 16578, 17901, 18360, 18420, 18954, 19890, 19955, 20655, 20876, 21060, 22104, 23868, 23946, 24786, 24867, 25272, 26095, 26520, 27540, 27630, 29160, 29835, 31314, 31590, 31928, 33048, 33156, 35802, 35919, 36840, 37908, 39780, 39910, 41310, 41445, 41752, 42120, 46971, 47385, 47736, 47892, 49572, 49734, 52190, 53703, 55080, 55260, 59670, 59865, 61965, 62628, 63180, 66312, 67847, 71604, 71838, 74601, 75816, 78285, 79560, 79820, 82620, 82890, 89505, 93942, 94770, 95784, 99144, 99468, 104380, 107406, 107757, 110520, 119340, 119730, 123930, 124335, 125256, 126360, 135694, 140913, 143208, 143676, 149202, 156570, 159640, 161109, 165240, 165780, 179010, 179595, 187884, 189540, 198936, 203541, 208760, 214812, 215514, 223803, 234855, 238680, 239460, 247860, 248670, 268515, 271388, 281826, 287352, 298404, 313140, 322218, 323271, 331560, 339235, 358020, 359190, 373005, 375768, 379080, 407082, 422739, 429624, 431028, 447606, 469710, 478920, 495720, 497340, 537030, 538785, 542776, 563652, 596808, 610623, 626280, 644436, 646542, 678470, 704565, 716040, 718380, 746010, 805545, 814164, 845478, 862056, 895212, 939420, 969813, 994680, 1017705, 1074060, 1077570, 1119015, 1127304, 1221246, 1268217, 1288872, 1293084, 1356940, 1409130, 1436760, 1492020, 1611090, 1616355, 1628328, 1690956, 1790424, 1831869, 1878840, 1939626, 2035410, 2113695, 2148120, 2155140, 2238030, 2442492, 2536434, 2586168, 2713880, 2818260, 2909439, 2984040, 3053115, 3222180, 3232710, 3381912, 3663738, 3804651, 3879252, 4070820, 4227390, 4310280, 4476060, 4849065, 4884984, 5072868, 5495607, 5636520, 5818878, 6106230, 6341085, 6444360, 6465420, 7327476, 7609302, 7758504, 8141640, 8454780, 8952120, 9159345, 9698130, 10145736, 10991214, 11637756, 12212460, 12682170, 12930840, 14547195, 14654952, 15218604, 16486821, 16909560, 18318690, 19023255, 19396260, 21982428, 23275512, 24424920, 25364340, 27478035, 29094390, 30437208, 32973642, 36637380, 38046510, 38792520, 43964856, 49460463, 50728680, 54956070, 58188780, 65947284, 73274760, 76093020, 82434105, 98920926, 109912140, 116377560, 131894568, 152186040, 164868210, 197841852, 219824280, 247302315, 329736420, 395683704, 494604630, 659472840, 989209260, 1978418520]

約数ペア:

[(1, 1978418520), (2, 989209260), (3, 659472840), (4, 494604630), (5, 395683704), (6, 329736420), (8, 247302315), (9, 219824280), (10, 197841852), (12, 164868210), (13, 152186040), (15, 131894568), (17, 116377560), (18, 109912140), (20, 98920926), (24, 82434105), (26, 76093020), (27, 73274760), (30, 65947284), (34, 58188780), (36, 54956070), (39, 50728680), (40, 49460463), (45, 43964856), (51, 38792520), (52, 38046510), (54, 36637380), (60, 32973642), (65, 30437208), (68, 29094390), (72, 27478035), (78, 25364340), (81, 24424920), (85, 23275512), (90, 21982428), (102, 19396260), (104, 19023255), (108, 18318690), (117, 16909560), (120, 16486821), (130, 15218604), (135, 14654952), (136, 14547195), (153, 12930840), (156, 12682170), (162, 12212460), (170, 11637756), (180, 10991214), (195, 10145736), (204, 9698130), (216, 9159345), (221, 8952120), (234, 8454780), (243, 8141640), (255, 7758504), (260, 7609302), (270, 7327476), (306, 6465420), (307, 6444360), (312, 6341085), (324, 6106230), (340, 5818878), (351, 5636520), (360, 5495607), (390, 5072868), (405, 4884984), (408, 4849065), (442, 4476060), (459, 4310280), (468, 4227390), (486, 4070820), (510, 3879252), (520, 3804651), (540, 3663738), (585, 3381912), (612, 3232710), (614, 3222180), (648, 3053115), (663, 2984040), (680, 2909439), (702, 2818260), (729, 2713880), (765, 2586168), (780, 2536434), (810, 2442492), (884, 2238030), (918, 2155140), (921, 2148120), (936, 2113695), (972, 2035410), (1020, 1939626), (1053, 1878840), (1080, 1831869), (1105, 1790424), (1170, 1690956), (1215, 1628328), (1224, 1616355), (1228, 1611090), (1326, 1492020), (1377, 1436760), (1404, 1409130), (1458, 1356940), (1530, 1293084), (1535, 1288872), (1560, 1268217), (1620, 1221246), (1755, 1127304), (1768, 1119015), (1836, 1077570), (1842, 1074060), (1944, 1017705), (1989, 994680), (2040, 969813), (2106, 939420), (2210, 895212), (2295, 862056), (2340, 845478), (2430, 814164), (2456, 805545), (2652, 746010), (2754, 718380), (2763, 716040), (2808, 704565), (2916, 678470), (3060, 646542), (3070, 644436), (3159, 626280), (3240, 610623), (3315, 596808), (3510, 563652), (3645, 542776), (3672, 538785), (3684, 537030), (3978, 497340), (3991, 495720), (4131, 478920), (4212, 469710), (4420, 447606), (4590, 431028), (4605, 429624), (4680, 422739), (4860, 407082), (5219, 379080), (5265, 375768), (5304, 373005), (5508, 359190), (5526, 358020), (5832, 339235), (5967, 331560), (6120, 323271), (6140, 322218), (6318, 313140), (6630, 298404), (6885, 287352), (7020, 281826), (7290, 271388), (7368, 268515), (7956, 248670), (7982, 247860), (8262, 239460), (8289, 238680), (8424, 234855), (8840, 223803), (9180, 215514), (9210, 214812), (9477, 208760), (9720, 203541), (9945, 198936), (10438, 189540), (10530, 187884), (11016, 179595), (11052, 179010), (11934, 165780), (11973, 165240), (12280, 161109), (12393, 159640), (12636, 156570), (13260, 149202), (13770, 143676), (13815, 143208), (14040, 140913), (14580, 135694), (15657, 126360), (15795, 125256), (15912, 124335), (15964, 123930), (16524, 119730), (16578, 119340), (17901, 110520), (18360, 107757), (18420, 107406), (18954, 104380), (19890, 99468), (19955, 99144), (20655, 95784), (20876, 94770), (21060, 93942), (22104, 89505), (23868, 82890), (23946, 82620), (24786, 79820), (24867, 79560), (25272, 78285), (26095, 75816), (26520, 74601), (27540, 71838), (27630, 71604), (29160, 67847), (29835, 66312), (31314, 63180), (31590, 62628), (31928, 61965), (33048, 59865), (33156, 59670), (35802, 55260), (35919, 55080), (36840, 53703), (37908, 52190), (39780, 49734), (39910, 49572), (41310, 47892), (41445, 47736), (41752, 47385), (42120, 46971)]