121564960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 334212480

約数和(自身を除く): 212647520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 239, 272, 289, 340, 352, 374, 440, 478, 544, 578, 680, 748, 880, 935, 956, 1156, 1195, 1360, 1445, 1496, 1760, 1870, 1912, 2312, 2390, 2629, 2720, 2890, 2992, 3179, 3740, 3824, 4063, 4624, 4780, 5258, 5780, 5984, 6358, 7480, 7648, 8126, 9248, 9560, 10516, 11560, 12716, 13145, 14960, 15895, 16252, 19120, 20315, 21032, 23120, 25432, 26290, 29920, 31790, 32504, 38240, 40630, 42064, 44693, 46240, 50864, 52580, 63580, 65008, 69071, 81260, 84128, 89386, 101728, 105160, 127160, 130016, 138142, 162520, 178772, 210320, 223465, 254320, 276284, 325040, 345355, 357544, 420640, 446930, 508640, 552568, 650080, 690710, 715088, 759781, 893860, 1105136, 1381420, 1430176, 1519562, 1787720, 2210272, 2762840, 3039124, 3575440, 3798905, 5525680, 6078248, 7150880, 7597810, 11051360, 12156496, 15195620, 24312992, 30391240, 60782480, 121564960]

約数ペア:

[(1, 121564960), (2, 60782480), (4, 30391240), (5, 24312992), (8, 15195620), (10, 12156496), (11, 11051360), (16, 7597810), (17, 7150880), (20, 6078248), (22, 5525680), (32, 3798905), (34, 3575440), (40, 3039124), (44, 2762840), (55, 2210272), (68, 1787720), (80, 1519562), (85, 1430176), (88, 1381420), (110, 1105136), (136, 893860), (160, 759781), (170, 715088), (176, 690710), (187, 650080), (220, 552568), (239, 508640), (272, 446930), (289, 420640), (340, 357544), (352, 345355), (374, 325040), (440, 276284), (478, 254320), (544, 223465), (578, 210320), (680, 178772), (748, 162520), (880, 138142), (935, 130016), (956, 127160), (1156, 105160), (1195, 101728), (1360, 89386), (1445, 84128), (1496, 81260), (1760, 69071), (1870, 65008), (1912, 63580), (2312, 52580), (2390, 50864), (2629, 46240), (2720, 44693), (2890, 42064), (2992, 40630), (3179, 38240), (3740, 32504), (3824, 31790), (4063, 29920), (4624, 26290), (4780, 25432), (5258, 23120), (5780, 21032), (5984, 20315), (6358, 19120), (7480, 16252), (7648, 15895), (8126, 14960), (9248, 13145), (9560, 12716), (10516, 11560)]