780184960

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:804

約数の個数: 128

約数和(自身を含む): 1959085440

約数和(自身を除く): 1178900480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 47, 64, 74, 80, 94, 128, 148, 160, 185, 188, 235, 296, 320, 370, 376, 470, 592, 640, 701, 740, 752, 940, 1184, 1402, 1480, 1504, 1739, 1880, 2368, 2804, 2960, 3008, 3478, 3505, 3760, 4736, 5608, 5920, 6016, 6956, 7010, 7520, 8695, 11216, 11840, 13912, 14020, 15040, 17390, 22432, 23680, 25937, 27824, 28040, 30080, 32947, 34780, 44864, 51874, 55648, 56080, 65894, 69560, 89728, 103748, 111296, 112160, 129685, 131788, 139120, 164735, 207496, 222592, 224320, 259370, 263576, 278240, 329470, 414992, 448640, 518740, 527152, 556480, 658940, 829984, 1037480, 1054304, 1112960, 1219039, 1317880, 1659968, 2074960, 2108608, 2438078, 2635760, 3319936, 4149920, 4217216, 4876156, 5271520, 6095195, 8299840, 9752312, 10543040, 12190390, 16599680, 19504624, 21086080, 24380780, 39009248, 48761560, 78018496, 97523120, 156036992, 195046240, 390092480, 780184960]

約数ペア:

[(1, 780184960), (2, 390092480), (4, 195046240), (5, 156036992), (8, 97523120), (10, 78018496), (16, 48761560), (20, 39009248), (32, 24380780), (37, 21086080), (40, 19504624), (47, 16599680), (64, 12190390), (74, 10543040), (80, 9752312), (94, 8299840), (128, 6095195), (148, 5271520), (160, 4876156), (185, 4217216), (188, 4149920), (235, 3319936), (296, 2635760), (320, 2438078), (370, 2108608), (376, 2074960), (470, 1659968), (592, 1317880), (640, 1219039), (701, 1112960), (740, 1054304), (752, 1037480), (940, 829984), (1184, 658940), (1402, 556480), (1480, 527152), (1504, 518740), (1739, 448640), (1880, 414992), (2368, 329470), (2804, 278240), (2960, 263576), (3008, 259370), (3478, 224320), (3505, 222592), (3760, 207496), (4736, 164735), (5608, 139120), (5920, 131788), (6016, 129685), (6956, 112160), (7010, 111296), (7520, 103748), (8695, 89728), (11216, 69560), (11840, 65894), (13912, 56080), (14020, 55648), (15040, 51874), (17390, 44864), (22432, 34780), (23680, 32947), (25937, 30080), (27824, 28040)]