145718560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 395951976

約数和(自身を除く): 250233416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 208, 221, 260, 272, 317, 338, 340, 416, 442, 520, 544, 634, 676, 680, 845, 884, 1040, 1105, 1268, 1352, 1360, 1585, 1690, 1768, 2080, 2210, 2536, 2704, 2720, 2873, 3170, 3380, 3536, 4121, 4420, 5072, 5389, 5408, 5746, 6340, 6760, 7072, 8242, 8840, 10144, 10778, 11492, 12680, 13520, 14365, 16484, 17680, 20605, 21556, 22984, 25360, 26945, 27040, 28730, 32968, 35360, 41210, 43112, 45968, 50720, 53573, 53890, 57460, 65936, 70057, 82420, 86224, 91936, 107146, 107780, 114920, 131872, 140114, 164840, 172448, 214292, 215560, 229840, 267865, 280228, 329680, 350285, 428584, 431120, 459680, 535730, 560456, 659360, 700570, 857168, 862240, 910741, 1071460, 1120912, 1401140, 1714336, 1821482, 2142920, 2241824, 2802280, 3642964, 4285840, 4553705, 5604560, 7285928, 8571680, 9107410, 11209120, 14571856, 18214820, 29143712, 36429640, 72859280, 145718560]

約数ペア:

[(1, 145718560), (2, 72859280), (4, 36429640), (5, 29143712), (8, 18214820), (10, 14571856), (13, 11209120), (16, 9107410), (17, 8571680), (20, 7285928), (26, 5604560), (32, 4553705), (34, 4285840), (40, 3642964), (52, 2802280), (65, 2241824), (68, 2142920), (80, 1821482), (85, 1714336), (104, 1401140), (130, 1120912), (136, 1071460), (160, 910741), (169, 862240), (170, 857168), (208, 700570), (221, 659360), (260, 560456), (272, 535730), (317, 459680), (338, 431120), (340, 428584), (416, 350285), (442, 329680), (520, 280228), (544, 267865), (634, 229840), (676, 215560), (680, 214292), (845, 172448), (884, 164840), (1040, 140114), (1105, 131872), (1268, 114920), (1352, 107780), (1360, 107146), (1585, 91936), (1690, 86224), (1768, 82420), (2080, 70057), (2210, 65936), (2536, 57460), (2704, 53890), (2720, 53573), (2873, 50720), (3170, 45968), (3380, 43112), (3536, 41210), (4121, 35360), (4420, 32968), (5072, 28730), (5389, 27040), (5408, 26945), (5746, 25360), (6340, 22984), (6760, 21556), (7072, 20605), (8242, 17680), (8840, 16484), (10144, 14365), (10778, 13520), (11492, 12680)]