256921056

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4111}}^1$

素因数の和:4165

約数の個数: 144

約数和(自身を含む): 862138368

約数和(自身を除く): 605217312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 217, 224, 248, 252, 279, 288, 336, 372, 434, 496, 504, 558, 651, 672, 744, 868, 992, 1008, 1116, 1302, 1488, 1736, 1953, 2016, 2232, 2604, 2976, 3472, 3906, 4111, 4464, 5208, 6944, 7812, 8222, 8928, 10416, 12333, 15624, 16444, 20832, 24666, 28777, 31248, 32888, 36999, 49332, 57554, 62496, 65776, 73998, 86331, 98664, 115108, 127441, 131552, 147996, 172662, 197328, 230216, 254882, 258993, 295992, 345324, 382323, 394656, 460432, 509764, 517986, 591984, 690648, 764646, 892087, 920864, 1019528, 1035972, 1146969, 1183968, 1381296, 1529292, 1784174, 2039056, 2071944, 2293938, 2676261, 2762592, 3058584, 3568348, 4078112, 4143888, 4587876, 5352522, 6117168, 7136696, 8028783, 8287776, 9175752, 10705044, 12234336, 14273392, 16057566, 18351504, 21410088, 28546784, 32115132, 36703008, 42820176, 64230264, 85640352, 128460528, 256921056]

約数ペア:

[(1, 256921056), (2, 128460528), (3, 85640352), (4, 64230264), (6, 42820176), (7, 36703008), (8, 32115132), (9, 28546784), (12, 21410088), (14, 18351504), (16, 16057566), (18, 14273392), (21, 12234336), (24, 10705044), (28, 9175752), (31, 8287776), (32, 8028783), (36, 7136696), (42, 6117168), (48, 5352522), (56, 4587876), (62, 4143888), (63, 4078112), (72, 3568348), (84, 3058584), (93, 2762592), (96, 2676261), (112, 2293938), (124, 2071944), (126, 2039056), (144, 1784174), (168, 1529292), (186, 1381296), (217, 1183968), (224, 1146969), (248, 1035972), (252, 1019528), (279, 920864), (288, 892087), (336, 764646), (372, 690648), (434, 591984), (496, 517986), (504, 509764), (558, 460432), (651, 394656), (672, 382323), (744, 345324), (868, 295992), (992, 258993), (1008, 254882), (1116, 230216), (1302, 197328), (1488, 172662), (1736, 147996), (1953, 131552), (2016, 127441), (2232, 115108), (2604, 98664), (2976, 86331), (3472, 73998), (3906, 65776), (4111, 62496), (4464, 57554), (5208, 49332), (6944, 36999), (7812, 32888), (8222, 31248), (8928, 28777), (10416, 24666), (12333, 20832), (15624, 16444)]