140075920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 347977728

約数和(自身を除く): 207901808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 811, 1016, 1270, 1360, 1622, 2032, 2159, 2540, 3244, 4055, 4318, 5080, 6488, 8110, 8636, 10160, 10795, 12976, 13787, 16220, 17272, 21590, 27574, 32440, 34544, 43180, 55148, 64880, 68935, 86360, 102997, 110296, 137870, 172720, 205994, 220592, 275740, 411988, 514985, 551480, 823976, 1029970, 1102960, 1647952, 1750949, 2059940, 3501898, 4119880, 7003796, 8239760, 8754745, 14007592, 17509490, 28015184, 35018980, 70037960, 140075920]

約数ペア:

[(1, 140075920), (2, 70037960), (4, 35018980), (5, 28015184), (8, 17509490), (10, 14007592), (16, 8754745), (17, 8239760), (20, 7003796), (34, 4119880), (40, 3501898), (68, 2059940), (80, 1750949), (85, 1647952), (127, 1102960), (136, 1029970), (170, 823976), (254, 551480), (272, 514985), (340, 411988), (508, 275740), (635, 220592), (680, 205994), (811, 172720), (1016, 137870), (1270, 110296), (1360, 102997), (1622, 86360), (2032, 68935), (2159, 64880), (2540, 55148), (3244, 43180), (4055, 34544), (4318, 32440), (5080, 27574), (6488, 21590), (8110, 17272), (8636, 16220), (10160, 13787), (10795, 12976)]