81345420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34763}}^1$

素因数の和:34791

約数の個数: 72

約数和(自身を含む): 265736016

約数和(自身を除く): 184390596

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, 34763, 69526, 104289, 139052, 173815, 208578, 312867, 347630, 417156, 451919, 521445, 625734, 695260, 903838, 1042890, 1251468, 1355757, 1564335, 1807676, 2085780, 2259595, 2711514, 3128670, 4067271, 4519190, 5423028, 6257340, 6778785, 8134542, 9038380, 13557570, 16269084, 20336355, 27115140, 40672710, 81345420]

約数ペア:

[(1, 81345420), (2, 40672710), (3, 27115140), (4, 20336355), (5, 16269084), (6, 13557570), (9, 9038380), (10, 8134542), (12, 6778785), (13, 6257340), (15, 5423028), (18, 4519190), (20, 4067271), (26, 3128670), (30, 2711514), (36, 2259595), (39, 2085780), (45, 1807676), (52, 1564335), (60, 1355757), (65, 1251468), (78, 1042890), (90, 903838), (117, 695260), (130, 625734), (156, 521445), (180, 451919), (195, 417156), (234, 347630), (260, 312867), (390, 208578), (468, 173815), (585, 139052), (780, 104289), (1170, 69526), (2340, 34763)]