128379780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13457}}^1$

素因数の和:13525

約数の個数: 72

約数和(自身を含む): 396795672

約数和(自身を除く): 268415892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 13457, 26914, 40371, 53828, 67285, 80742, 121113, 134570, 161484, 201855, 242226, 269140, 403710, 484452, 605565, 713221, 807420, 1211130, 1426442, 2139663, 2422260, 2852884, 3566105, 4279326, 6418989, 7132210, 8558652, 10698315, 12837978, 14264420, 21396630, 25675956, 32094945, 42793260, 64189890, 128379780]

約数ペア:

[(1, 128379780), (2, 64189890), (3, 42793260), (4, 32094945), (5, 25675956), (6, 21396630), (9, 14264420), (10, 12837978), (12, 10698315), (15, 8558652), (18, 7132210), (20, 6418989), (30, 4279326), (36, 3566105), (45, 2852884), (53, 2422260), (60, 2139663), (90, 1426442), (106, 1211130), (159, 807420), (180, 713221), (212, 605565), (265, 484452), (318, 403710), (477, 269140), (530, 242226), (636, 201855), (795, 161484), (954, 134570), (1060, 121113), (1590, 80742), (1908, 67285), (2385, 53828), (3180, 40371), (4770, 26914), (9540, 13457)]