291836480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 168

約数和(自身を含む): 783905976

約数和(自身を除く): 492069496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 73, 80, 104, 124, 130, 146, 155, 160, 208, 248, 260, 292, 310, 320, 365, 403, 416, 496, 520, 584, 620, 730, 806, 832, 949, 961, 992, 1040, 1168, 1240, 1460, 1612, 1898, 1922, 1984, 2015, 2080, 2263, 2336, 2480, 2920, 3224, 3796, 3844, 4030, 4160, 4526, 4672, 4745, 4805, 4960, 5840, 6448, 7592, 7688, 8060, 9052, 9490, 9610, 9920, 11315, 11680, 12493, 12896, 15184, 15376, 16120, 18104, 18980, 19220, 22630, 23360, 24986, 25792, 29419, 30368, 30752, 32240, 36208, 37960, 38440, 45260, 49972, 58838, 60736, 61504, 62465, 64480, 70153, 72416, 75920, 76880, 90520, 99944, 117676, 124930, 128960, 140306, 144832, 147095, 151840, 153760, 181040, 199888, 235352, 249860, 280612, 294190, 303680, 307520, 350765, 362080, 399776, 470704, 499720, 561224, 588380, 701530, 724160, 799552, 911989, 941408, 999440, 1122448, 1176760, 1403060, 1823978, 1882816, 1998880, 2244896, 2353520, 2806120, 3647956, 3997760, 4489792, 4559945, 4707040, 5612240, 7295912, 9119890, 9414080, 11224480, 14591824, 18239780, 22448960, 29183648, 36479560, 58367296, 72959120, 145918240, 291836480]

約数ペア:

[(1, 291836480), (2, 145918240), (4, 72959120), (5, 58367296), (8, 36479560), (10, 29183648), (13, 22448960), (16, 18239780), (20, 14591824), (26, 11224480), (31, 9414080), (32, 9119890), (40, 7295912), (52, 5612240), (62, 4707040), (64, 4559945), (65, 4489792), (73, 3997760), (80, 3647956), (104, 2806120), (124, 2353520), (130, 2244896), (146, 1998880), (155, 1882816), (160, 1823978), (208, 1403060), (248, 1176760), (260, 1122448), (292, 999440), (310, 941408), (320, 911989), (365, 799552), (403, 724160), (416, 701530), (496, 588380), (520, 561224), (584, 499720), (620, 470704), (730, 399776), (806, 362080), (832, 350765), (949, 307520), (961, 303680), (992, 294190), (1040, 280612), (1168, 249860), (1240, 235352), (1460, 199888), (1612, 181040), (1898, 153760), (1922, 151840), (1984, 147095), (2015, 144832), (2080, 140306), (2263, 128960), (2336, 124930), (2480, 117676), (2920, 99944), (3224, 90520), (3796, 76880), (3844, 75920), (4030, 72416), (4160, 70153), (4526, 64480), (4672, 62465), (4745, 61504), (4805, 60736), (4960, 58838), (5840, 49972), (6448, 45260), (7592, 38440), (7688, 37960), (8060, 36208), (9052, 32240), (9490, 30752), (9610, 30368), (9920, 29419), (11315, 25792), (11680, 24986), (12493, 23360), (12896, 22630), (15184, 19220), (15376, 18980), (16120, 18104)]