85721680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3412

約数の個数: 80

約数和(自身を含む): 224985600

約数和(自身を除く): 139263920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 3359, 5104, 6380, 6718, 12760, 13436, 16795, 25520, 26872, 33590, 36949, 53744, 67180, 73898, 97411, 134360, 147796, 184745, 194822, 268720, 295592, 369490, 389644, 487055, 591184, 738980, 779288, 974110, 1071521, 1477960, 1558576, 1948220, 2143042, 2955920, 3896440, 4286084, 5357605, 7792880, 8572168, 10715210, 17144336, 21430420, 42860840, 85721680]

約数ペア:

[(1, 85721680), (2, 42860840), (4, 21430420), (5, 17144336), (8, 10715210), (10, 8572168), (11, 7792880), (16, 5357605), (20, 4286084), (22, 3896440), (29, 2955920), (40, 2143042), (44, 1948220), (55, 1558576), (58, 1477960), (80, 1071521), (88, 974110), (110, 779288), (116, 738980), (145, 591184), (176, 487055), (220, 389644), (232, 369490), (290, 295592), (319, 268720), (440, 194822), (464, 184745), (580, 147796), (638, 134360), (880, 97411), (1160, 73898), (1276, 67180), (1595, 53744), (2320, 36949), (2552, 33590), (3190, 26872), (3359, 25520), (5104, 16795), (6380, 13436), (6718, 12760)]