16639005280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2\times {\mathrm{877}}^1$

素因数の和:1069

約数の個数: 144

約数和(自身を含む): 41956775280

約数和(自身を除く): 25317770000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 79, 80, 95, 152, 158, 160, 190, 304, 316, 380, 395, 608, 632, 760, 790, 877, 1264, 1501, 1520, 1580, 1754, 2528, 3002, 3040, 3160, 3508, 4385, 6004, 6241, 6320, 7016, 7505, 8770, 12008, 12482, 12640, 14032, 15010, 16663, 17540, 24016, 24964, 28064, 30020, 31205, 33326, 35080, 48032, 49928, 60040, 62410, 66652, 69283, 70160, 83315, 99856, 118579, 120080, 124820, 133304, 138566, 140320, 166630, 199712, 237158, 240160, 249640, 266608, 277132, 333260, 346415, 474316, 499280, 533216, 554264, 592895, 666520, 692830, 948632, 998560, 1108528, 1185790, 1316377, 1333040, 1385660, 1897264, 2217056, 2371580, 2632754, 2666080, 2771320, 3794528, 4743160, 5265508, 5473357, 5542640, 6581885, 9486320, 10531016, 10946714, 11085280, 13163770, 18972640, 21062032, 21893428, 26327540, 27366785, 42124064, 43786856, 52655080, 54733570, 87573712, 103993783, 105310160, 109467140, 175147424, 207987566, 210620320, 218934280, 415975132, 437868560, 519968915, 831950264, 875737120, 1039937830, 1663900528, 2079875660, 3327801056, 4159751320, 8319502640, 16639005280]

約数ペア:

[(1, 16639005280), (2, 8319502640), (4, 4159751320), (5, 3327801056), (8, 2079875660), (10, 1663900528), (16, 1039937830), (19, 875737120), (20, 831950264), (32, 519968915), (38, 437868560), (40, 415975132), (76, 218934280), (79, 210620320), (80, 207987566), (95, 175147424), (152, 109467140), (158, 105310160), (160, 103993783), (190, 87573712), (304, 54733570), (316, 52655080), (380, 43786856), (395, 42124064), (608, 27366785), (632, 26327540), (760, 21893428), (790, 21062032), (877, 18972640), (1264, 13163770), (1501, 11085280), (1520, 10946714), (1580, 10531016), (1754, 9486320), (2528, 6581885), (3002, 5542640), (3040, 5473357), (3160, 5265508), (3508, 4743160), (4385, 3794528), (6004, 2771320), (6241, 2666080), (6320, 2632754), (7016, 2371580), (7505, 2217056), (8770, 1897264), (12008, 1385660), (12482, 1333040), (12640, 1316377), (14032, 1185790), (15010, 1108528), (16663, 998560), (17540, 948632), (24016, 692830), (24964, 666520), (28064, 592895), (30020, 554264), (31205, 533216), (33326, 499280), (35080, 474316), (48032, 346415), (49928, 333260), (60040, 277132), (62410, 266608), (66652, 249640), (69283, 240160), (70160, 237158), (83315, 199712), (99856, 166630), (118579, 140320), (120080, 138566), (124820, 133304)]