256701120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 224

約数和(自身を含む): 893722368

約数和(自身を除く): 637021248

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, 67, 78, 80, 96, 104, 120, 130, 134, 156, 160, 192, 195, 201, 208, 240, 260, 268, 307, 312, 320, 335, 390, 402, 416, 480, 520, 536, 614, 624, 670, 780, 804, 832, 871, 921, 960, 1005, 1040, 1072, 1228, 1248, 1340, 1535, 1560, 1608, 1742, 1842, 2010, 2080, 2144, 2456, 2496, 2613, 2680, 3070, 3120, 3216, 3484, 3684, 3991, 4020, 4160, 4288, 4355, 4605, 4912, 5226, 5360, 6140, 6240, 6432, 6968, 7368, 7982, 8040, 8710, 9210, 9824, 10452, 10720, 11973, 12280, 12480, 12864, 13065, 13936, 14736, 15964, 16080, 17420, 18420, 19648, 19955, 20569, 20904, 21440, 23946, 24560, 26130, 27872, 29472, 31928, 32160, 34840, 36840, 39910, 41138, 41808, 47892, 49120, 52260, 55744, 58944, 59865, 61707, 63856, 64320, 69680, 73680, 79820, 82276, 83616, 95784, 98240, 102845, 104520, 119730, 123414, 127712, 139360, 147360, 159640, 164552, 167232, 191568, 205690, 209040, 239460, 246828, 255424, 267397, 278720, 294720, 308535, 319280, 329104, 383136, 411380, 418080, 478920, 493656, 534794, 617070, 638560, 658208, 766272, 802191, 822760, 836160, 957840, 987312, 1069588, 1234140, 1277120, 1316416, 1336985, 1604382, 1645520, 1915680, 1974624, 2139176, 2468280, 2673970, 3208764, 3291040, 3831360, 3949248, 4010955, 4278352, 4936560, 5347940, 6417528, 6582080, 8021910, 8556704, 9873120, 10695880, 12835056, 16043820, 17113408, 19746240, 21391760, 25670112, 32087640, 42783520, 51340224, 64175280, 85567040, 128350560, 256701120]

約数ペア:

[(1, 256701120), (2, 128350560), (3, 85567040), (4, 64175280), (5, 51340224), (6, 42783520), (8, 32087640), (10, 25670112), (12, 21391760), (13, 19746240), (15, 17113408), (16, 16043820), (20, 12835056), (24, 10695880), (26, 9873120), (30, 8556704), (32, 8021910), (39, 6582080), (40, 6417528), (48, 5347940), (52, 4936560), (60, 4278352), (64, 4010955), (65, 3949248), (67, 3831360), (78, 3291040), (80, 3208764), (96, 2673970), (104, 2468280), (120, 2139176), (130, 1974624), (134, 1915680), (156, 1645520), (160, 1604382), (192, 1336985), (195, 1316416), (201, 1277120), (208, 1234140), (240, 1069588), (260, 987312), (268, 957840), (307, 836160), (312, 822760), (320, 802191), (335, 766272), (390, 658208), (402, 638560), (416, 617070), (480, 534794), (520, 493656), (536, 478920), (614, 418080), (624, 411380), (670, 383136), (780, 329104), (804, 319280), (832, 308535), (871, 294720), (921, 278720), (960, 267397), (1005, 255424), (1040, 246828), (1072, 239460), (1228, 209040), (1248, 205690), (1340, 191568), (1535, 167232), (1560, 164552), (1608, 159640), (1742, 147360), (1842, 139360), (2010, 127712), (2080, 123414), (2144, 119730), (2456, 104520), (2496, 102845), (2613, 98240), (2680, 95784), (3070, 83616), (3120, 82276), (3216, 79820), (3484, 73680), (3684, 69680), (3991, 64320), (4020, 63856), (4160, 61707), (4288, 59865), (4355, 58944), (4605, 55744), (4912, 52260), (5226, 49120), (5360, 47892), (6140, 41808), (6240, 41138), (6432, 39910), (6968, 36840), (7368, 34840), (7982, 32160), (8040, 31928), (8710, 29472), (9210, 27872), (9824, 26130), (10452, 24560), (10720, 23946), (11973, 21440), (12280, 20904), (12480, 20569), (12864, 19955), (13065, 19648), (13936, 18420), (14736, 17420), (15964, 16080)]