120900520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5407}}^1$

素因数の和:5474

約数の個数: 64

約数和(自身を含む): 299819520

約数和(自身を除く): 178919000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5407, 5590, 10814, 11180, 21628, 22360, 27035, 43256, 54070, 70291, 108140, 140582, 216280, 232501, 281164, 351455, 465002, 562328, 702910, 930004, 1162505, 1405820, 1860008, 2325010, 2811640, 3022513, 4650020, 6045026, 9300040, 12090052, 15112565, 24180104, 30225130, 60450260, 120900520]

約数ペア:

[(1, 120900520), (2, 60450260), (4, 30225130), (5, 24180104), (8, 15112565), (10, 12090052), (13, 9300040), (20, 6045026), (26, 4650020), (40, 3022513), (43, 2811640), (52, 2325010), (65, 1860008), (86, 1405820), (104, 1162505), (130, 930004), (172, 702910), (215, 562328), (260, 465002), (344, 351455), (430, 281164), (520, 232501), (559, 216280), (860, 140582), (1118, 108140), (1720, 70291), (2236, 54070), (2795, 43256), (4472, 27035), (5407, 22360), (5590, 21628), (10814, 11180)]