321520160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:826

約数の個数: 96

約数和(自身を含む): 822249792

約数和(自身を除く): 500729632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 331, 416, 467, 520, 662, 934, 1040, 1324, 1655, 1868, 2080, 2335, 2648, 3310, 3736, 4303, 4670, 5296, 6071, 6620, 7472, 8606, 9340, 10592, 12142, 13240, 14944, 17212, 18680, 21515, 24284, 26480, 30355, 34424, 37360, 43030, 48568, 52960, 60710, 68848, 74720, 86060, 97136, 121420, 137696, 154577, 172120, 194272, 242840, 309154, 344240, 485680, 618308, 688480, 772885, 971360, 1236616, 1545770, 2009501, 2473232, 3091540, 4019002, 4946464, 6183080, 8038004, 10047505, 12366160, 16076008, 20095010, 24732320, 32152016, 40190020, 64304032, 80380040, 160760080, 321520160]

約数ペア:

[(1, 321520160), (2, 160760080), (4, 80380040), (5, 64304032), (8, 40190020), (10, 32152016), (13, 24732320), (16, 20095010), (20, 16076008), (26, 12366160), (32, 10047505), (40, 8038004), (52, 6183080), (65, 4946464), (80, 4019002), (104, 3091540), (130, 2473232), (160, 2009501), (208, 1545770), (260, 1236616), (331, 971360), (416, 772885), (467, 688480), (520, 618308), (662, 485680), (934, 344240), (1040, 309154), (1324, 242840), (1655, 194272), (1868, 172120), (2080, 154577), (2335, 137696), (2648, 121420), (3310, 97136), (3736, 86060), (4303, 74720), (4670, 68848), (5296, 60710), (6071, 52960), (6620, 48568), (7472, 43030), (8606, 37360), (9340, 34424), (10592, 30355), (12142, 26480), (13240, 24284), (14944, 21515), (17212, 18680)]