157823680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{70457}}^1$

素因数の和:70481

約数の個数: 56

約数和(自身を含む): 429511968

約数和(自身を除く): 271688288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 70457, 140914, 281828, 352285, 493199, 563656, 704570, 986398, 1127312, 1409140, 1972796, 2254624, 2465995, 2818280, 3945592, 4509248, 4931990, 5636560, 7891184, 9863980, 11273120, 15782368, 19727960, 22546240, 31564736, 39455920, 78911840, 157823680]

約数ペア:

[(1, 157823680), (2, 78911840), (4, 39455920), (5, 31564736), (7, 22546240), (8, 19727960), (10, 15782368), (14, 11273120), (16, 9863980), (20, 7891184), (28, 5636560), (32, 4931990), (35, 4509248), (40, 3945592), (56, 2818280), (64, 2465995), (70, 2254624), (80, 1972796), (112, 1409140), (140, 1127312), (160, 986398), (224, 704570), (280, 563656), (320, 493199), (448, 352285), (560, 281828), (1120, 140914), (2240, 70457)]