42738640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 114492672

約数和(自身を除く): 71754032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 457, 560, 668, 835, 914, 1169, 1336, 1670, 1828, 2285, 2338, 2672, 3199, 3340, 3656, 4570, 4676, 5845, 6398, 6680, 7312, 9140, 9352, 11690, 12796, 13360, 15995, 18280, 18704, 23380, 25592, 31990, 36560, 46760, 51184, 63980, 76319, 93520, 127960, 152638, 255920, 305276, 381595, 534233, 610552, 763190, 1068466, 1221104, 1526380, 2136932, 2671165, 3052760, 4273864, 5342330, 6105520, 8547728, 10684660, 21369320, 42738640]

約数ペア:

[(1, 42738640), (2, 21369320), (4, 10684660), (5, 8547728), (7, 6105520), (8, 5342330), (10, 4273864), (14, 3052760), (16, 2671165), (20, 2136932), (28, 1526380), (35, 1221104), (40, 1068466), (56, 763190), (70, 610552), (80, 534233), (112, 381595), (140, 305276), (167, 255920), (280, 152638), (334, 127960), (457, 93520), (560, 76319), (668, 63980), (835, 51184), (914, 46760), (1169, 36560), (1336, 31990), (1670, 25592), (1828, 23380), (2285, 18704), (2338, 18280), (2672, 15995), (3199, 13360), (3340, 12796), (3656, 11690), (4570, 9352), (4676, 9140), (5845, 7312), (6398, 6680)]