123717720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{147283}}^1$

素因数の和:147304

約数の個数: 64

約数和(自身を含む): 424177920

約数和(自身を除く): 300460200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 147283, 294566, 441849, 589132, 736415, 883698, 1030981, 1178264, 1472830, 1767396, 2061962, 2209245, 2945660, 3092943, 3534792, 4123924, 4418490, 5154905, 5891320, 6185886, 8247848, 8836980, 10309810, 12371772, 15464715, 17673960, 20619620, 24743544, 30929430, 41239240, 61858860, 123717720]

約数ペア:

[(1, 123717720), (2, 61858860), (3, 41239240), (4, 30929430), (5, 24743544), (6, 20619620), (7, 17673960), (8, 15464715), (10, 12371772), (12, 10309810), (14, 8836980), (15, 8247848), (20, 6185886), (21, 5891320), (24, 5154905), (28, 4418490), (30, 4123924), (35, 3534792), (40, 3092943), (42, 2945660), (56, 2209245), (60, 2061962), (70, 1767396), (84, 1472830), (105, 1178264), (120, 1030981), (140, 883698), (168, 736415), (210, 589132), (280, 441849), (420, 294566), (840, 147283)]