72959120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 191347128

約数和(自身を除く): 118388008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 73, 80, 104, 124, 130, 146, 155, 208, 248, 260, 292, 310, 365, 403, 496, 520, 584, 620, 730, 806, 949, 961, 1040, 1168, 1240, 1460, 1612, 1898, 1922, 2015, 2263, 2480, 2920, 3224, 3796, 3844, 4030, 4526, 4745, 4805, 5840, 6448, 7592, 7688, 8060, 9052, 9490, 9610, 11315, 12493, 15184, 15376, 16120, 18104, 18980, 19220, 22630, 24986, 29419, 32240, 36208, 37960, 38440, 45260, 49972, 58838, 62465, 70153, 75920, 76880, 90520, 99944, 117676, 124930, 140306, 147095, 181040, 199888, 235352, 249860, 280612, 294190, 350765, 470704, 499720, 561224, 588380, 701530, 911989, 999440, 1122448, 1176760, 1403060, 1823978, 2353520, 2806120, 3647956, 4559945, 5612240, 7295912, 9119890, 14591824, 18239780, 36479560, 72959120]

約数ペア:

[(1, 72959120), (2, 36479560), (4, 18239780), (5, 14591824), (8, 9119890), (10, 7295912), (13, 5612240), (16, 4559945), (20, 3647956), (26, 2806120), (31, 2353520), (40, 1823978), (52, 1403060), (62, 1176760), (65, 1122448), (73, 999440), (80, 911989), (104, 701530), (124, 588380), (130, 561224), (146, 499720), (155, 470704), (208, 350765), (248, 294190), (260, 280612), (292, 249860), (310, 235352), (365, 199888), (403, 181040), (496, 147095), (520, 140306), (584, 124930), (620, 117676), (730, 99944), (806, 90520), (949, 76880), (961, 75920), (1040, 70153), (1168, 62465), (1240, 58838), (1460, 49972), (1612, 45260), (1898, 38440), (1922, 37960), (2015, 36208), (2263, 32240), (2480, 29419), (2920, 24986), (3224, 22630), (3796, 19220), (3844, 18980), (4030, 18104), (4526, 16120), (4745, 15376), (4805, 15184), (5840, 12493), (6448, 11315), (7592, 9610), (7688, 9490), (8060, 9052)]