81264768

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 236705280

約数和(自身を除く): 155440512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 73, 78, 96, 104, 128, 146, 156, 192, 208, 219, 223, 292, 312, 384, 416, 438, 446, 584, 624, 669, 832, 876, 892, 949, 1168, 1248, 1338, 1664, 1752, 1784, 1898, 2336, 2496, 2676, 2847, 2899, 3504, 3568, 3796, 4672, 4992, 5352, 5694, 5798, 7008, 7136, 7592, 8697, 9344, 10704, 11388, 11596, 14016, 14272, 15184, 16279, 17394, 21408, 22776, 23192, 28032, 28544, 30368, 32558, 34788, 42816, 45552, 46384, 48837, 60736, 65116, 69576, 85632, 91104, 92768, 97674, 121472, 130232, 139152, 182208, 185536, 195348, 211627, 260464, 278304, 364416, 371072, 390696, 423254, 520928, 556608, 634881, 781392, 846508, 1041856, 1113216, 1269762, 1562784, 1693016, 2083712, 2539524, 3125568, 3386032, 5079048, 6251136, 6772064, 10158096, 13544128, 20316192, 27088256, 40632384, 81264768]

約数ペア:

[(1, 81264768), (2, 40632384), (3, 27088256), (4, 20316192), (6, 13544128), (8, 10158096), (12, 6772064), (13, 6251136), (16, 5079048), (24, 3386032), (26, 3125568), (32, 2539524), (39, 2083712), (48, 1693016), (52, 1562784), (64, 1269762), (73, 1113216), (78, 1041856), (96, 846508), (104, 781392), (128, 634881), (146, 556608), (156, 520928), (192, 423254), (208, 390696), (219, 371072), (223, 364416), (292, 278304), (312, 260464), (384, 211627), (416, 195348), (438, 185536), (446, 182208), (584, 139152), (624, 130232), (669, 121472), (832, 97674), (876, 92768), (892, 91104), (949, 85632), (1168, 69576), (1248, 65116), (1338, 60736), (1664, 48837), (1752, 46384), (1784, 45552), (1898, 42816), (2336, 34788), (2496, 32558), (2676, 30368), (2847, 28544), (2899, 28032), (3504, 23192), (3568, 22776), (3796, 21408), (4672, 17394), (4992, 16279), (5352, 15184), (5694, 14272), (5798, 14016), (7008, 11596), (7136, 11388), (7592, 10704), (8697, 9344)]