31177120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1153}}^1$

素因数の和:1194

約数の個数: 72

約数和(自身を含む): 79826796

約数和(自身を除く): 48649676

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1153, 1352, 1690, 2080, 2306, 2704, 3380, 4612, 5408, 5765, 6760, 9224, 11530, 13520, 14989, 18448, 23060, 27040, 29978, 36896, 46120, 59956, 74945, 92240, 119912, 149890, 184480, 194857, 239824, 299780, 389714, 479648, 599560, 779428, 974285, 1199120, 1558856, 1948570, 2398240, 3117712, 3897140, 6235424, 7794280, 15588560, 31177120]

約数ペア:

[(1, 31177120), (2, 15588560), (4, 7794280), (5, 6235424), (8, 3897140), (10, 3117712), (13, 2398240), (16, 1948570), (20, 1558856), (26, 1199120), (32, 974285), (40, 779428), (52, 599560), (65, 479648), (80, 389714), (104, 299780), (130, 239824), (160, 194857), (169, 184480), (208, 149890), (260, 119912), (338, 92240), (416, 74945), (520, 59956), (676, 46120), (845, 36896), (1040, 29978), (1153, 27040), (1352, 23060), (1690, 18448), (2080, 14989), (2306, 13520), (2704, 11530), (3380, 9224), (4612, 6760), (5408, 5765)]