257008896

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 216

約数和(自身を含む): 809914560

約数和(自身を除く): 552905664

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, 103, 108, 114, 128, 144, 152, 171, 192, 206, 216, 228, 256, 288, 304, 309, 342, 361, 384, 412, 432, 456, 513, 576, 608, 618, 684, 722, 768, 824, 864, 912, 927, 1026, 1083, 1152, 1216, 1236, 1368, 1444, 1648, 1728, 1824, 1854, 1957, 2052, 2166, 2304, 2432, 2472, 2736, 2781, 2888, 3249, 3296, 3456, 3648, 3708, 3914, 4104, 4332, 4864, 4944, 5472, 5562, 5776, 5871, 6498, 6592, 6912, 7296, 7416, 7828, 8208, 8664, 9747, 9888, 10944, 11124, 11552, 11742, 12996, 13184, 14592, 14832, 15656, 16416, 17328, 17613, 19494, 19776, 21888, 22248, 23104, 23484, 25992, 26368, 29664, 31312, 32832, 34656, 35226, 37183, 38988, 39552, 43776, 44496, 46208, 46968, 51984, 52839, 59328, 62624, 65664, 69312, 70452, 74366, 77976, 79104, 88992, 92416, 93936, 103968, 105678, 111549, 118656, 125248, 131328, 138624, 140904, 148732, 155952, 177984, 187872, 207936, 211356, 223098, 237312, 250496, 277248, 281808, 297464, 311904, 334647, 355968, 375744, 415872, 422712, 446196, 500992, 563616, 594928, 623808, 669294, 711936, 751488, 831744, 845424, 892392, 1003941, 1127232, 1189856, 1247616, 1338588, 1502976, 1690848, 1784784, 2007882, 2254464, 2379712, 2495232, 2677176, 3381696, 3569568, 4015764, 4508928, 4759424, 5354352, 6763392, 7139136, 8031528, 9518848, 10708704, 13526784, 14278272, 16063056, 21417408, 28556544, 32126112, 42834816, 64252224, 85669632, 128504448, 257008896]

約数ペア:

[(1, 257008896), (2, 128504448), (3, 85669632), (4, 64252224), (6, 42834816), (8, 32126112), (9, 28556544), (12, 21417408), (16, 16063056), (18, 14278272), (19, 13526784), (24, 10708704), (27, 9518848), (32, 8031528), (36, 7139136), (38, 6763392), (48, 5354352), (54, 4759424), (57, 4508928), (64, 4015764), (72, 3569568), (76, 3381696), (96, 2677176), (103, 2495232), (108, 2379712), (114, 2254464), (128, 2007882), (144, 1784784), (152, 1690848), (171, 1502976), (192, 1338588), (206, 1247616), (216, 1189856), (228, 1127232), (256, 1003941), (288, 892392), (304, 845424), (309, 831744), (342, 751488), (361, 711936), (384, 669294), (412, 623808), (432, 594928), (456, 563616), (513, 500992), (576, 446196), (608, 422712), (618, 415872), (684, 375744), (722, 355968), (768, 334647), (824, 311904), (864, 297464), (912, 281808), (927, 277248), (1026, 250496), (1083, 237312), (1152, 223098), (1216, 211356), (1236, 207936), (1368, 187872), (1444, 177984), (1648, 155952), (1728, 148732), (1824, 140904), (1854, 138624), (1957, 131328), (2052, 125248), (2166, 118656), (2304, 111549), (2432, 105678), (2472, 103968), (2736, 93936), (2781, 92416), (2888, 88992), (3249, 79104), (3296, 77976), (3456, 74366), (3648, 70452), (3708, 69312), (3914, 65664), (4104, 62624), (4332, 59328), (4864, 52839), (4944, 51984), (5472, 46968), (5562, 46208), (5776, 44496), (5871, 43776), (6498, 39552), (6592, 38988), (6912, 37183), (7296, 35226), (7416, 34656), (7828, 32832), (8208, 31312), (8664, 29664), (9747, 26368), (9888, 25992), (10944, 23484), (11124, 23104), (11552, 22248), (11742, 21888), (12996, 19776), (13184, 19494), (14592, 17613), (14832, 17328), (15656, 16416)]