66279680

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1051

約数の個数: 72

約数和(自身を含む): 161921592

約数和(自身を除く): 95641912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 977, 1060, 1280, 1696, 1954, 2120, 3392, 3908, 4240, 4885, 6784, 7816, 8480, 9770, 13568, 15632, 16960, 19540, 31264, 33920, 39080, 51781, 62528, 67840, 78160, 103562, 125056, 156320, 207124, 250112, 258905, 312640, 414248, 517810, 625280, 828496, 1035620, 1250560, 1656992, 2071240, 3313984, 4142480, 6627968, 8284960, 13255936, 16569920, 33139840, 66279680]

約数ペア:

[(1, 66279680), (2, 33139840), (4, 16569920), (5, 13255936), (8, 8284960), (10, 6627968), (16, 4142480), (20, 3313984), (32, 2071240), (40, 1656992), (53, 1250560), (64, 1035620), (80, 828496), (106, 625280), (128, 517810), (160, 414248), (212, 312640), (256, 258905), (265, 250112), (320, 207124), (424, 156320), (530, 125056), (640, 103562), (848, 78160), (977, 67840), (1060, 62528), (1280, 51781), (1696, 39080), (1954, 33920), (2120, 31264), (3392, 19540), (3908, 16960), (4240, 15632), (4885, 13568), (6784, 9770), (7816, 8480)]