255290880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2596

約数の個数: 160

約数和(自身を含む): 879256224

約数和(自身を除く): 623965344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2557, 2560, 3120, 3328, 3840, 4160, 4992, 5114, 6240, 6656, 7671, 7680, 8320, 9984, 10228, 12480, 12785, 15342, 16640, 19968, 20456, 24960, 25570, 30684, 33241, 33280, 38355, 40912, 49920, 51140, 61368, 66482, 76710, 81824, 99723, 99840, 102280, 122736, 132964, 153420, 163648, 166205, 199446, 204560, 245472, 265928, 306840, 327296, 332410, 398892, 409120, 490944, 498615, 531856, 613680, 654592, 664820, 797784, 818240, 981888, 997230, 1063712, 1227360, 1309184, 1329640, 1595568, 1636480, 1963776, 1994460, 2127424, 2454720, 2659280, 3191136, 3272960, 3927552, 3988920, 4254848, 4909440, 5318560, 6382272, 6545920, 7977840, 8509696, 9818880, 10637120, 12764544, 15955680, 17019392, 19637760, 21274240, 25529088, 31911360, 42548480, 51058176, 63822720, 85096960, 127645440, 255290880]

約数ペア:

[(1, 255290880), (2, 127645440), (3, 85096960), (4, 63822720), (5, 51058176), (6, 42548480), (8, 31911360), (10, 25529088), (12, 21274240), (13, 19637760), (15, 17019392), (16, 15955680), (20, 12764544), (24, 10637120), (26, 9818880), (30, 8509696), (32, 7977840), (39, 6545920), (40, 6382272), (48, 5318560), (52, 4909440), (60, 4254848), (64, 3988920), (65, 3927552), (78, 3272960), (80, 3191136), (96, 2659280), (104, 2454720), (120, 2127424), (128, 1994460), (130, 1963776), (156, 1636480), (160, 1595568), (192, 1329640), (195, 1309184), (208, 1227360), (240, 1063712), (256, 997230), (260, 981888), (312, 818240), (320, 797784), (384, 664820), (390, 654592), (416, 613680), (480, 531856), (512, 498615), (520, 490944), (624, 409120), (640, 398892), (768, 332410), (780, 327296), (832, 306840), (960, 265928), (1040, 245472), (1248, 204560), (1280, 199446), (1536, 166205), (1560, 163648), (1664, 153420), (1920, 132964), (2080, 122736), (2496, 102280), (2557, 99840), (2560, 99723), (3120, 81824), (3328, 76710), (3840, 66482), (4160, 61368), (4992, 51140), (5114, 49920), (6240, 40912), (6656, 38355), (7671, 33280), (7680, 33241), (8320, 30684), (9984, 25570), (10228, 24960), (12480, 20456), (12785, 19968), (15342, 16640)]