90615420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71917}}^1$

素因数の和:71939

約数の個数: 72

約数和(自身を含む): 314137824

約数和(自身を除く): 223522404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71917, 143834, 215751, 287668, 359585, 431502, 503419, 647253, 719170, 863004, 1006838, 1078755, 1294506, 1438340, 1510257, 2013676, 2157510, 2517095, 2589012, 3020514, 3236265, 4315020, 4530771, 5034190, 6041028, 6472530, 7551285, 9061542, 10068380, 12945060, 15102570, 18123084, 22653855, 30205140, 45307710, 90615420]

約数ペア:

[(1, 90615420), (2, 45307710), (3, 30205140), (4, 22653855), (5, 18123084), (6, 15102570), (7, 12945060), (9, 10068380), (10, 9061542), (12, 7551285), (14, 6472530), (15, 6041028), (18, 5034190), (20, 4530771), (21, 4315020), (28, 3236265), (30, 3020514), (35, 2589012), (36, 2517095), (42, 2157510), (45, 2013676), (60, 1510257), (63, 1438340), (70, 1294506), (84, 1078755), (90, 1006838), (105, 863004), (126, 719170), (140, 647253), (180, 503419), (210, 431502), (252, 359585), (315, 287668), (420, 215751), (630, 143834), (1260, 71917)]