267495280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8297}}^1$

素因数の和:8354

約数の個数: 80

約数和(自身を含む): 691455744

約数和(自身を除く): 423960464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8297, 16120, 16594, 32240, 33188, 41485, 66376, 82970, 107861, 132752, 165940, 215722, 257207, 331880, 431444, 514414, 539305, 663760, 862888, 1028828, 1078610, 1286035, 1725776, 2057656, 2157220, 2572070, 3343691, 4115312, 4314440, 5144140, 6687382, 8628880, 10288280, 13374764, 16718455, 20576560, 26749528, 33436910, 53499056, 66873820, 133747640, 267495280]

約数ペア:

[(1, 267495280), (2, 133747640), (4, 66873820), (5, 53499056), (8, 33436910), (10, 26749528), (13, 20576560), (16, 16718455), (20, 13374764), (26, 10288280), (31, 8628880), (40, 6687382), (52, 5144140), (62, 4314440), (65, 4115312), (80, 3343691), (104, 2572070), (124, 2157220), (130, 2057656), (155, 1725776), (208, 1286035), (248, 1078610), (260, 1028828), (310, 862888), (403, 663760), (496, 539305), (520, 514414), (620, 431444), (806, 331880), (1040, 257207), (1240, 215722), (1612, 165940), (2015, 132752), (2480, 107861), (3224, 82970), (4030, 66376), (6448, 41485), (8060, 33188), (8297, 32240), (16120, 16594)]