90895980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 303367680

約数和(自身を除く): 212471700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 719, 735, 860, 903, 980, 1204, 1290, 1438, 1470, 1505, 1806, 2107, 2157, 2580, 2876, 2940, 3010, 3595, 3612, 4214, 4314, 4515, 5033, 6020, 6321, 7190, 8428, 8628, 9030, 10066, 10535, 10785, 12642, 14380, 15099, 18060, 20132, 21070, 21570, 25165, 25284, 30198, 30917, 31605, 35231, 42140, 43140, 50330, 60396, 61834, 63210, 70462, 75495, 92751, 100660, 105693, 123668, 126420, 140924, 150990, 154585, 176155, 185502, 211386, 216419, 301980, 309170, 352310, 371004, 422772, 432838, 463755, 528465, 618340, 649257, 704620, 865676, 927510, 1056930, 1082095, 1298514, 1514933, 1855020, 2113860, 2164190, 2597028, 3029866, 3246285, 4328380, 4544799, 6059732, 6492570, 7574665, 9089598, 12985140, 15149330, 18179196, 22723995, 30298660, 45447990, 90895980]

約数ペア:

[(1, 90895980), (2, 45447990), (3, 30298660), (4, 22723995), (5, 18179196), (6, 15149330), (7, 12985140), (10, 9089598), (12, 7574665), (14, 6492570), (15, 6059732), (20, 4544799), (21, 4328380), (28, 3246285), (30, 3029866), (35, 2597028), (42, 2164190), (43, 2113860), (49, 1855020), (60, 1514933), (70, 1298514), (84, 1082095), (86, 1056930), (98, 927510), (105, 865676), (129, 704620), (140, 649257), (147, 618340), (172, 528465), (196, 463755), (210, 432838), (215, 422772), (245, 371004), (258, 352310), (294, 309170), (301, 301980), (420, 216419), (430, 211386), (490, 185502), (516, 176155), (588, 154585), (602, 150990), (645, 140924), (719, 126420), (735, 123668), (860, 105693), (903, 100660), (980, 92751), (1204, 75495), (1290, 70462), (1438, 63210), (1470, 61834), (1505, 60396), (1806, 50330), (2107, 43140), (2157, 42140), (2580, 35231), (2876, 31605), (2940, 30917), (3010, 30198), (3595, 25284), (3612, 25165), (4214, 21570), (4314, 21070), (4515, 20132), (5033, 18060), (6020, 15099), (6321, 14380), (7190, 12642), (8428, 10785), (8628, 10535), (9030, 10066)]