207787520

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3529}}^1$

素因数の和:3575

約数の個数: 80

約数和(自身を含む): 520011360

約数和(自身を除く): 312223840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1472, 1840, 2560, 2944, 3529, 3680, 5888, 7058, 7360, 11776, 14116, 14720, 17645, 28232, 29440, 35290, 56464, 58880, 70580, 81167, 112928, 141160, 162334, 225856, 282320, 324668, 405835, 451712, 564640, 649336, 811670, 903424, 1129280, 1298672, 1623340, 1806848, 2258560, 2597344, 3246680, 4517120, 5194688, 6493360, 9034240, 10389376, 12986720, 20778752, 25973440, 41557504, 51946880, 103893760, 207787520]

約数ペア:

[(1, 207787520), (2, 103893760), (4, 51946880), (5, 41557504), (8, 25973440), (10, 20778752), (16, 12986720), (20, 10389376), (23, 9034240), (32, 6493360), (40, 5194688), (46, 4517120), (64, 3246680), (80, 2597344), (92, 2258560), (115, 1806848), (128, 1623340), (160, 1298672), (184, 1129280), (230, 903424), (256, 811670), (320, 649336), (368, 564640), (460, 451712), (512, 405835), (640, 324668), (736, 282320), (920, 225856), (1280, 162334), (1472, 141160), (1840, 112928), (2560, 81167), (2944, 70580), (3529, 58880), (3680, 56464), (5888, 35290), (7058, 29440), (7360, 28232), (11776, 17645), (14116, 14720)]