257941008

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{607}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 782116608

約数和(自身を除く): 524175600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 227, 234, 312, 454, 468, 607, 624, 681, 908, 936, 1214, 1362, 1816, 1821, 1872, 2043, 2428, 2724, 2951, 3632, 3642, 4086, 4856, 5448, 5463, 5902, 7284, 7891, 8172, 8853, 9712, 10896, 10926, 11804, 14568, 15782, 16344, 17706, 21852, 23608, 23673, 26559, 29136, 31564, 32688, 35412, 43704, 47216, 47346, 53118, 63128, 70824, 71019, 87408, 94692, 106236, 126256, 137789, 141648, 142038, 189384, 212472, 275578, 284076, 378768, 413367, 424944, 551156, 568152, 826734, 1102312, 1136304, 1240101, 1653468, 1791257, 2204624, 2480202, 3306936, 3582514, 4960404, 5373771, 6613872, 7165028, 9920808, 10747542, 14330056, 16121313, 19841616, 21495084, 28660112, 32242626, 42990168, 64485252, 85980336, 128970504, 257941008]

約数ペア:

[(1, 257941008), (2, 128970504), (3, 85980336), (4, 64485252), (6, 42990168), (8, 32242626), (9, 28660112), (12, 21495084), (13, 19841616), (16, 16121313), (18, 14330056), (24, 10747542), (26, 9920808), (36, 7165028), (39, 6613872), (48, 5373771), (52, 4960404), (72, 3582514), (78, 3306936), (104, 2480202), (117, 2204624), (144, 1791257), (156, 1653468), (208, 1240101), (227, 1136304), (234, 1102312), (312, 826734), (454, 568152), (468, 551156), (607, 424944), (624, 413367), (681, 378768), (908, 284076), (936, 275578), (1214, 212472), (1362, 189384), (1816, 142038), (1821, 141648), (1872, 137789), (2043, 126256), (2428, 106236), (2724, 94692), (2951, 87408), (3632, 71019), (3642, 70824), (4086, 63128), (4856, 53118), (5448, 47346), (5463, 47216), (5902, 43704), (7284, 35412), (7891, 32688), (8172, 31564), (8853, 29136), (9712, 26559), (10896, 23673), (10926, 23608), (11804, 21852), (14568, 17706), (15782, 16344)]