64387890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{102203}}^1$

素因数の和:102223

約数の個数: 48

約数和(自身を含む): 191325888

約数和(自身を除く): 126937998

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 102203, 204406, 306609, 511015, 613218, 715421, 919827, 1022030, 1430842, 1533045, 1839654, 2146263, 3066090, 3577105, 4292526, 4599135, 6438789, 7154210, 9198270, 10731315, 12877578, 21462630, 32193945, 64387890]

約数ペア:

[(1, 64387890), (2, 32193945), (3, 21462630), (5, 12877578), (6, 10731315), (7, 9198270), (9, 7154210), (10, 6438789), (14, 4599135), (15, 4292526), (18, 3577105), (21, 3066090), (30, 2146263), (35, 1839654), (42, 1533045), (45, 1430842), (63, 1022030), (70, 919827), (90, 715421), (105, 613218), (126, 511015), (210, 306609), (315, 204406), (630, 102203)]