64965420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27763}}^1$

素因数の和:27791

約数の個数: 72

約数和(自身を含む): 212228016

約数和(自身を除く): 147262596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 27763, 55526, 83289, 111052, 138815, 166578, 249867, 277630, 333156, 360919, 416445, 499734, 555260, 721838, 832890, 999468, 1082757, 1249335, 1443676, 1665780, 1804595, 2165514, 2498670, 3248271, 3609190, 4331028, 4997340, 5413785, 6496542, 7218380, 10827570, 12993084, 16241355, 21655140, 32482710, 64965420]

約数ペア:

[(1, 64965420), (2, 32482710), (3, 21655140), (4, 16241355), (5, 12993084), (6, 10827570), (9, 7218380), (10, 6496542), (12, 5413785), (13, 4997340), (15, 4331028), (18, 3609190), (20, 3248271), (26, 2498670), (30, 2165514), (36, 1804595), (39, 1665780), (45, 1443676), (52, 1249335), (60, 1082757), (65, 999468), (78, 832890), (90, 721838), (117, 555260), (130, 499734), (156, 416445), (180, 360919), (195, 333156), (234, 277630), (260, 249867), (390, 166578), (468, 138815), (585, 111052), (780, 83289), (1170, 55526), (2340, 27763)]