256660656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:691

約数の個数: 160

約数和(自身を含む): 802615296

約数和(自身を除く): 545954640

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 41, 42, 48, 56, 62, 82, 84, 93, 112, 123, 124, 164, 168, 186, 217, 246, 248, 287, 328, 336, 372, 434, 492, 496, 574, 601, 651, 656, 744, 861, 868, 984, 1148, 1202, 1271, 1302, 1488, 1722, 1736, 1803, 1968, 2296, 2404, 2542, 2604, 3444, 3472, 3606, 3813, 4207, 4592, 4808, 5084, 5208, 6888, 7212, 7626, 8414, 8897, 9616, 10168, 10416, 12621, 13776, 14424, 15252, 16828, 17794, 18631, 20336, 24641, 25242, 26691, 28848, 30504, 33656, 35588, 37262, 49282, 50484, 53382, 55893, 61008, 67312, 71176, 73923, 74524, 98564, 100968, 106764, 111786, 130417, 142352, 147846, 149048, 172487, 197128, 201936, 213528, 223572, 260834, 295692, 298096, 344974, 391251, 394256, 427056, 447144, 517461, 521668, 591384, 689948, 763871, 782502, 894288, 1034922, 1043336, 1182768, 1379896, 1527742, 1565004, 2069844, 2086672, 2291613, 2759792, 3055484, 3130008, 4139688, 4583226, 5347097, 6110968, 6260016, 8279376, 9166452, 10694194, 12221936, 16041291, 18332904, 21388388, 32082582, 36665808, 42776776, 64165164, 85553552, 128330328, 256660656]

約数ペア:

[(1, 256660656), (2, 128330328), (3, 85553552), (4, 64165164), (6, 42776776), (7, 36665808), (8, 32082582), (12, 21388388), (14, 18332904), (16, 16041291), (21, 12221936), (24, 10694194), (28, 9166452), (31, 8279376), (41, 6260016), (42, 6110968), (48, 5347097), (56, 4583226), (62, 4139688), (82, 3130008), (84, 3055484), (93, 2759792), (112, 2291613), (123, 2086672), (124, 2069844), (164, 1565004), (168, 1527742), (186, 1379896), (217, 1182768), (246, 1043336), (248, 1034922), (287, 894288), (328, 782502), (336, 763871), (372, 689948), (434, 591384), (492, 521668), (496, 517461), (574, 447144), (601, 427056), (651, 394256), (656, 391251), (744, 344974), (861, 298096), (868, 295692), (984, 260834), (1148, 223572), (1202, 213528), (1271, 201936), (1302, 197128), (1488, 172487), (1722, 149048), (1736, 147846), (1803, 142352), (1968, 130417), (2296, 111786), (2404, 106764), (2542, 100968), (2604, 98564), (3444, 74524), (3472, 73923), (3606, 71176), (3813, 67312), (4207, 61008), (4592, 55893), (4808, 53382), (5084, 50484), (5208, 49282), (6888, 37262), (7212, 35588), (7626, 33656), (8414, 30504), (8897, 28848), (9616, 26691), (10168, 25242), (10416, 24641), (12621, 20336), (13776, 18631), (14424, 17794), (15252, 16828)]