69445720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 163231200

約数和(自身を除く): 93785480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 131, 145, 232, 262, 290, 457, 524, 580, 655, 914, 1048, 1160, 1310, 1828, 2285, 2620, 3656, 3799, 4570, 5240, 7598, 9140, 13253, 15196, 18280, 18995, 26506, 30392, 37990, 53012, 59867, 66265, 75980, 106024, 119734, 132530, 151960, 239468, 265060, 299335, 478936, 530120, 598670, 1197340, 1736143, 2394680, 3472286, 6944572, 8680715, 13889144, 17361430, 34722860, 69445720]

約数ペア:

[(1, 69445720), (2, 34722860), (4, 17361430), (5, 13889144), (8, 8680715), (10, 6944572), (20, 3472286), (29, 2394680), (40, 1736143), (58, 1197340), (116, 598670), (131, 530120), (145, 478936), (232, 299335), (262, 265060), (290, 239468), (457, 151960), (524, 132530), (580, 119734), (655, 106024), (914, 75980), (1048, 66265), (1160, 59867), (1310, 53012), (1828, 37990), (2285, 30392), (2620, 26506), (3656, 18995), (3799, 18280), (4570, 15196), (5240, 13253), (7598, 9140)]