128421072

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1759}}^1$

素因数の和:1802

約数の個数: 120

約数和(自身を含む): 399379200

約数和(自身を除く): 270958128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 169, 208, 216, 234, 312, 338, 351, 432, 468, 507, 624, 676, 702, 936, 1014, 1352, 1404, 1521, 1759, 1872, 2028, 2704, 2808, 3042, 3518, 4056, 4563, 5277, 5616, 6084, 7036, 8112, 9126, 10554, 12168, 14072, 15831, 18252, 21108, 22867, 24336, 28144, 31662, 36504, 42216, 45734, 47493, 63324, 68601, 73008, 84432, 91468, 94986, 126648, 137202, 182936, 189972, 205803, 253296, 274404, 297271, 365872, 379944, 411606, 548808, 594542, 617409, 759888, 823212, 891813, 1097616, 1189084, 1234818, 1646424, 1783626, 2378168, 2469636, 2675439, 3292848, 3567252, 4756336, 4939272, 5350878, 7134504, 8026317, 9878544, 10701756, 14269008, 16052634, 21403512, 32105268, 42807024, 64210536, 128421072]

約数ペア:

[(1, 128421072), (2, 64210536), (3, 42807024), (4, 32105268), (6, 21403512), (8, 16052634), (9, 14269008), (12, 10701756), (13, 9878544), (16, 8026317), (18, 7134504), (24, 5350878), (26, 4939272), (27, 4756336), (36, 3567252), (39, 3292848), (48, 2675439), (52, 2469636), (54, 2378168), (72, 1783626), (78, 1646424), (104, 1234818), (108, 1189084), (117, 1097616), (144, 891813), (156, 823212), (169, 759888), (208, 617409), (216, 594542), (234, 548808), (312, 411606), (338, 379944), (351, 365872), (432, 297271), (468, 274404), (507, 253296), (624, 205803), (676, 189972), (702, 182936), (936, 137202), (1014, 126648), (1352, 94986), (1404, 91468), (1521, 84432), (1759, 73008), (1872, 68601), (2028, 63324), (2704, 47493), (2808, 45734), (3042, 42216), (3518, 36504), (4056, 31662), (4563, 28144), (5277, 24336), (5616, 22867), (6084, 21108), (7036, 18252), (8112, 15831), (9126, 14072), (10554, 12168)]