145918240

素因数分解:

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

素因数の和:163

約数の個数: 144

約数和(自身を含む): 388866744

約数和(自身を除く): 242948504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 73, 80, 104, 124, 130, 146, 155, 160, 208, 248, 260, 292, 310, 365, 403, 416, 496, 520, 584, 620, 730, 806, 949, 961, 992, 1040, 1168, 1240, 1460, 1612, 1898, 1922, 2015, 2080, 2263, 2336, 2480, 2920, 3224, 3796, 3844, 4030, 4526, 4745, 4805, 4960, 5840, 6448, 7592, 7688, 8060, 9052, 9490, 9610, 11315, 11680, 12493, 12896, 15184, 15376, 16120, 18104, 18980, 19220, 22630, 24986, 29419, 30368, 30752, 32240, 36208, 37960, 38440, 45260, 49972, 58838, 62465, 64480, 70153, 72416, 75920, 76880, 90520, 99944, 117676, 124930, 140306, 147095, 151840, 153760, 181040, 199888, 235352, 249860, 280612, 294190, 350765, 362080, 399776, 470704, 499720, 561224, 588380, 701530, 911989, 941408, 999440, 1122448, 1176760, 1403060, 1823978, 1998880, 2244896, 2353520, 2806120, 3647956, 4559945, 4707040, 5612240, 7295912, 9119890, 11224480, 14591824, 18239780, 29183648, 36479560, 72959120, 145918240]

約数ペア:

[(1, 145918240), (2, 72959120), (4, 36479560), (5, 29183648), (8, 18239780), (10, 14591824), (13, 11224480), (16, 9119890), (20, 7295912), (26, 5612240), (31, 4707040), (32, 4559945), (40, 3647956), (52, 2806120), (62, 2353520), (65, 2244896), (73, 1998880), (80, 1823978), (104, 1403060), (124, 1176760), (130, 1122448), (146, 999440), (155, 941408), (160, 911989), (208, 701530), (248, 588380), (260, 561224), (292, 499720), (310, 470704), (365, 399776), (403, 362080), (416, 350765), (496, 294190), (520, 280612), (584, 249860), (620, 235352), (730, 199888), (806, 181040), (949, 153760), (961, 151840), (992, 147095), (1040, 140306), (1168, 124930), (1240, 117676), (1460, 99944), (1612, 90520), (1898, 76880), (1922, 75920), (2015, 72416), (2080, 70153), (2263, 64480), (2336, 62465), (2480, 58838), (2920, 49972), (3224, 45260), (3796, 38440), (3844, 37960), (4030, 36208), (4526, 32240), (4745, 30752), (4805, 30368), (4960, 29419), (5840, 24986), (6448, 22630), (7592, 19220), (7688, 18980), (8060, 18104), (9052, 16120), (9490, 15376), (9610, 15184), (11315, 12896), (11680, 12493)]