256220928

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1995

約数の個数: 144

約数和(自身を含む): 797977600

約数和(自身を除く): 541756672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 256, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 768, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 1951, 2052, 2304, 2432, 2736, 3456, 3648, 3902, 4104, 4864, 5472, 5853, 6912, 7296, 7804, 8208, 10944, 11706, 14592, 15608, 16416, 17559, 21888, 23412, 31216, 32832, 35118, 37069, 43776, 46824, 52677, 62432, 65664, 70236, 74138, 93648, 105354, 111207, 124864, 131328, 140472, 148276, 187296, 210708, 222414, 249728, 280944, 296552, 333621, 374592, 421416, 444828, 499456, 561888, 593104, 667242, 749184, 842832, 889656, 1000863, 1123776, 1186208, 1334484, 1498368, 1685664, 1779312, 2001726, 2247552, 2372416, 2668968, 3371328, 3558624, 4003452, 4495104, 4744832, 5337936, 6742656, 7117248, 8006904, 9489664, 10675872, 13485312, 14234496, 16013808, 21351744, 28468992, 32027616, 42703488, 64055232, 85406976, 128110464, 256220928]

約数ペア:

[(1, 256220928), (2, 128110464), (3, 85406976), (4, 64055232), (6, 42703488), (8, 32027616), (9, 28468992), (12, 21351744), (16, 16013808), (18, 14234496), (19, 13485312), (24, 10675872), (27, 9489664), (32, 8006904), (36, 7117248), (38, 6742656), (48, 5337936), (54, 4744832), (57, 4495104), (64, 4003452), (72, 3558624), (76, 3371328), (96, 2668968), (108, 2372416), (114, 2247552), (128, 2001726), (144, 1779312), (152, 1685664), (171, 1498368), (192, 1334484), (216, 1186208), (228, 1123776), (256, 1000863), (288, 889656), (304, 842832), (342, 749184), (384, 667242), (432, 593104), (456, 561888), (513, 499456), (576, 444828), (608, 421416), (684, 374592), (768, 333621), (864, 296552), (912, 280944), (1026, 249728), (1152, 222414), (1216, 210708), (1368, 187296), (1728, 148276), (1824, 140472), (1951, 131328), (2052, 124864), (2304, 111207), (2432, 105354), (2736, 93648), (3456, 74138), (3648, 70236), (3902, 65664), (4104, 62432), (4864, 52677), (5472, 46824), (5853, 43776), (6912, 37069), (7296, 35118), (7804, 32832), (8208, 31216), (10944, 23412), (11706, 21888), (14592, 17559), (15608, 16416)]