123432640

素因数分解:

$2^6\times 5^1\times {\mathrm{499}}^1\times {\mathrm{773}}^1$

素因数の和:1289

約数の個数: 56

約数和(自身を含む): 294894000

約数和(自身を除く): 171461360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499, 773, 998, 1546, 1996, 2495, 3092, 3865, 3992, 4990, 6184, 7730, 7984, 9980, 12368, 15460, 15968, 19960, 24736, 30920, 31936, 39920, 49472, 61840, 79840, 123680, 159680, 247360, 385727, 771454, 1542908, 1928635, 3085816, 3857270, 6171632, 7714540, 12343264, 15429080, 24686528, 30858160, 61716320, 123432640]

約数ペア:

[(1, 123432640), (2, 61716320), (4, 30858160), (5, 24686528), (8, 15429080), (10, 12343264), (16, 7714540), (20, 6171632), (32, 3857270), (40, 3085816), (64, 1928635), (80, 1542908), (160, 771454), (320, 385727), (499, 247360), (773, 159680), (998, 123680), (1546, 79840), (1996, 61840), (2495, 49472), (3092, 39920), (3865, 31936), (3992, 30920), (4990, 24736), (6184, 19960), (7730, 15968), (7984, 15460), (9980, 12368)]