256749920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9967}}^1$

素因数の和:10012

約数の個数: 96

約数和(自身を含む): 723437568

約数和(自身を除く): 466687648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 9967, 12880, 19934, 25760, 39868, 49835, 69769, 79736, 99670, 139538, 159472, 199340, 229241, 279076, 318944, 348845, 398680, 458482, 558152, 697690, 797360, 916964, 1116304, 1146205, 1395380, 1594720, 1604687, 1833928, 2232608, 2292410, 2790760, 3209374, 3667856, 4584820, 5581520, 6418748, 7335712, 8023435, 9169640, 11163040, 12837496, 16046870, 18339280, 25674992, 32093740, 36678560, 51349984, 64187480, 128374960, 256749920]

約数ペア:

[(1, 256749920), (2, 128374960), (4, 64187480), (5, 51349984), (7, 36678560), (8, 32093740), (10, 25674992), (14, 18339280), (16, 16046870), (20, 12837496), (23, 11163040), (28, 9169640), (32, 8023435), (35, 7335712), (40, 6418748), (46, 5581520), (56, 4584820), (70, 3667856), (80, 3209374), (92, 2790760), (112, 2292410), (115, 2232608), (140, 1833928), (160, 1604687), (161, 1594720), (184, 1395380), (224, 1146205), (230, 1116304), (280, 916964), (322, 797360), (368, 697690), (460, 558152), (560, 458482), (644, 398680), (736, 348845), (805, 318944), (920, 279076), (1120, 229241), (1288, 199340), (1610, 159472), (1840, 139538), (2576, 99670), (3220, 79736), (3680, 69769), (5152, 49835), (6440, 39868), (9967, 25760), (12880, 19934)]