254496320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:628

約数の個数: 112

約数和(自身を含む): 659026368

約数和(自身を除く): 404530048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 131, 160, 208, 260, 262, 320, 416, 467, 520, 524, 655, 832, 934, 1040, 1048, 1310, 1703, 1868, 2080, 2096, 2335, 2620, 3406, 3736, 4160, 4192, 4670, 5240, 6071, 6812, 7472, 8384, 8515, 9340, 10480, 12142, 13624, 14944, 17030, 18680, 20960, 24284, 27248, 29888, 30355, 34060, 37360, 41920, 48568, 54496, 60710, 61177, 68120, 74720, 97136, 108992, 121420, 122354, 136240, 149440, 194272, 242840, 244708, 272480, 305885, 388544, 485680, 489416, 544960, 611770, 795301, 971360, 978832, 1223540, 1590602, 1942720, 1957664, 2447080, 3181204, 3915328, 3976505, 4894160, 6362408, 7953010, 9788320, 12724816, 15906020, 19576640, 25449632, 31812040, 50899264, 63624080, 127248160, 254496320]

約数ペア:

[(1, 254496320), (2, 127248160), (4, 63624080), (5, 50899264), (8, 31812040), (10, 25449632), (13, 19576640), (16, 15906020), (20, 12724816), (26, 9788320), (32, 7953010), (40, 6362408), (52, 4894160), (64, 3976505), (65, 3915328), (80, 3181204), (104, 2447080), (130, 1957664), (131, 1942720), (160, 1590602), (208, 1223540), (260, 978832), (262, 971360), (320, 795301), (416, 611770), (467, 544960), (520, 489416), (524, 485680), (655, 388544), (832, 305885), (934, 272480), (1040, 244708), (1048, 242840), (1310, 194272), (1703, 149440), (1868, 136240), (2080, 122354), (2096, 121420), (2335, 108992), (2620, 97136), (3406, 74720), (3736, 68120), (4160, 61177), (4192, 60710), (4670, 54496), (5240, 48568), (6071, 41920), (6812, 37360), (7472, 34060), (8384, 30355), (8515, 29888), (9340, 27248), (10480, 24284), (12142, 20960), (13624, 18680), (14944, 17030)]