1663480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 4616640

約数和(自身を除く): 2953160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 457, 520, 728, 910, 914, 1820, 1828, 2285, 3199, 3640, 3656, 4570, 5941, 6398, 9140, 11882, 12796, 15995, 18280, 23764, 25592, 29705, 31990, 41587, 47528, 59410, 63980, 83174, 118820, 127960, 166348, 207935, 237640, 332696, 415870, 831740, 1663480]

約数ペア:

[(1, 1663480), (2, 831740), (4, 415870), (5, 332696), (7, 237640), (8, 207935), (10, 166348), (13, 127960), (14, 118820), (20, 83174), (26, 63980), (28, 59410), (35, 47528), (40, 41587), (52, 31990), (56, 29705), (65, 25592), (70, 23764), (91, 18280), (104, 15995), (130, 12796), (140, 11882), (182, 9140), (260, 6398), (280, 5941), (364, 4570), (455, 3656), (457, 3640), (520, 3199), (728, 2285), (910, 1828), (914, 1820)]