243129920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 168

約数和(自身を含む): 673729920

約数和(自身を除く): 430600000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 239, 272, 289, 320, 340, 352, 374, 440, 478, 544, 578, 680, 704, 748, 880, 935, 956, 1088, 1156, 1195, 1360, 1445, 1496, 1760, 1870, 1912, 2312, 2390, 2629, 2720, 2890, 2992, 3179, 3520, 3740, 3824, 4063, 4624, 4780, 5258, 5440, 5780, 5984, 6358, 7480, 7648, 8126, 9248, 9560, 10516, 11560, 11968, 12716, 13145, 14960, 15296, 15895, 16252, 18496, 19120, 20315, 21032, 23120, 25432, 26290, 29920, 31790, 32504, 38240, 40630, 42064, 44693, 46240, 50864, 52580, 59840, 63580, 65008, 69071, 76480, 81260, 84128, 89386, 92480, 101728, 105160, 127160, 130016, 138142, 162520, 168256, 178772, 203456, 210320, 223465, 254320, 260032, 276284, 325040, 345355, 357544, 420640, 446930, 508640, 552568, 650080, 690710, 715088, 759781, 841280, 893860, 1017280, 1105136, 1300160, 1381420, 1430176, 1519562, 1787720, 2210272, 2762840, 2860352, 3039124, 3575440, 3798905, 4420544, 5525680, 6078248, 7150880, 7597810, 11051360, 12156496, 14301760, 15195620, 22102720, 24312992, 30391240, 48625984, 60782480, 121564960, 243129920]

約数ペア:

[(1, 243129920), (2, 121564960), (4, 60782480), (5, 48625984), (8, 30391240), (10, 24312992), (11, 22102720), (16, 15195620), (17, 14301760), (20, 12156496), (22, 11051360), (32, 7597810), (34, 7150880), (40, 6078248), (44, 5525680), (55, 4420544), (64, 3798905), (68, 3575440), (80, 3039124), (85, 2860352), (88, 2762840), (110, 2210272), (136, 1787720), (160, 1519562), (170, 1430176), (176, 1381420), (187, 1300160), (220, 1105136), (239, 1017280), (272, 893860), (289, 841280), (320, 759781), (340, 715088), (352, 690710), (374, 650080), (440, 552568), (478, 508640), (544, 446930), (578, 420640), (680, 357544), (704, 345355), (748, 325040), (880, 276284), (935, 260032), (956, 254320), (1088, 223465), (1156, 210320), (1195, 203456), (1360, 178772), (1445, 168256), (1496, 162520), (1760, 138142), (1870, 130016), (1912, 127160), (2312, 105160), (2390, 101728), (2629, 92480), (2720, 89386), (2890, 84128), (2992, 81260), (3179, 76480), (3520, 69071), (3740, 65008), (3824, 63580), (4063, 59840), (4624, 52580), (4780, 50864), (5258, 46240), (5440, 44693), (5780, 42064), (5984, 40630), (6358, 38240), (7480, 32504), (7648, 31790), (8126, 29920), (9248, 26290), (9560, 25432), (10516, 23120), (11560, 21032), (11968, 20315), (12716, 19120), (13145, 18496), (14960, 16252), (15296, 15895)]