61545440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^2$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 169891344

約数和(自身を除く): 108345904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 289, 340, 352, 374, 440, 484, 544, 578, 605, 680, 748, 880, 935, 968, 1156, 1210, 1331, 1360, 1445, 1496, 1760, 1870, 1936, 2057, 2312, 2420, 2662, 2720, 2890, 2992, 3179, 3740, 3872, 4114, 4624, 4840, 5324, 5780, 5984, 6358, 6655, 7480, 8228, 9248, 9680, 10285, 10648, 11560, 12716, 13310, 14960, 15895, 16456, 19360, 20570, 21296, 22627, 23120, 25432, 26620, 29920, 31790, 32912, 34969, 41140, 42592, 45254, 46240, 50864, 53240, 63580, 65824, 69938, 82280, 90508, 101728, 106480, 113135, 127160, 139876, 164560, 174845, 181016, 212960, 226270, 254320, 279752, 329120, 349690, 362032, 384659, 452540, 508640, 559504, 699380, 724064, 769318, 905080, 1119008, 1398760, 1538636, 1810160, 1923295, 2797520, 3077272, 3620320, 3846590, 5595040, 6154544, 7693180, 12309088, 15386360, 30772720, 61545440]

約数ペア:

[(1, 61545440), (2, 30772720), (4, 15386360), (5, 12309088), (8, 7693180), (10, 6154544), (11, 5595040), (16, 3846590), (17, 3620320), (20, 3077272), (22, 2797520), (32, 1923295), (34, 1810160), (40, 1538636), (44, 1398760), (55, 1119008), (68, 905080), (80, 769318), (85, 724064), (88, 699380), (110, 559504), (121, 508640), (136, 452540), (160, 384659), (170, 362032), (176, 349690), (187, 329120), (220, 279752), (242, 254320), (272, 226270), (289, 212960), (340, 181016), (352, 174845), (374, 164560), (440, 139876), (484, 127160), (544, 113135), (578, 106480), (605, 101728), (680, 90508), (748, 82280), (880, 69938), (935, 65824), (968, 63580), (1156, 53240), (1210, 50864), (1331, 46240), (1360, 45254), (1445, 42592), (1496, 41140), (1760, 34969), (1870, 32912), (1936, 31790), (2057, 29920), (2312, 26620), (2420, 25432), (2662, 23120), (2720, 22627), (2890, 21296), (2992, 20570), (3179, 19360), (3740, 16456), (3872, 15895), (4114, 14960), (4624, 13310), (4840, 12716), (5324, 11560), (5780, 10648), (5984, 10285), (6358, 9680), (6655, 9248), (7480, 8228)]