181221408

素因数分解:

$2^5\times 3^3\times {\mathrm{137}}^1\times {\mathrm{1531}}^1$

素因数の和:1687

約数の個数: 96

約数和(自身を含む): 532768320

約数和(自身を除く): 351546912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 137, 144, 216, 274, 288, 411, 432, 548, 822, 864, 1096, 1233, 1531, 1644, 2192, 2466, 3062, 3288, 3699, 4384, 4593, 4932, 6124, 6576, 7398, 9186, 9864, 12248, 13152, 13779, 14796, 18372, 19728, 24496, 27558, 29592, 36744, 39456, 41337, 48992, 55116, 59184, 73488, 82674, 110232, 118368, 146976, 165348, 209747, 220464, 330696, 419494, 440928, 629241, 661392, 838988, 1258482, 1322784, 1677976, 1887723, 2516964, 3355952, 3775446, 5033928, 5663169, 6711904, 7550892, 10067856, 11326338, 15101784, 20135712, 22652676, 30203568, 45305352, 60407136, 90610704, 181221408]

約数ペア:

[(1, 181221408), (2, 90610704), (3, 60407136), (4, 45305352), (6, 30203568), (8, 22652676), (9, 20135712), (12, 15101784), (16, 11326338), (18, 10067856), (24, 7550892), (27, 6711904), (32, 5663169), (36, 5033928), (48, 3775446), (54, 3355952), (72, 2516964), (96, 1887723), (108, 1677976), (137, 1322784), (144, 1258482), (216, 838988), (274, 661392), (288, 629241), (411, 440928), (432, 419494), (548, 330696), (822, 220464), (864, 209747), (1096, 165348), (1233, 146976), (1531, 118368), (1644, 110232), (2192, 82674), (2466, 73488), (3062, 59184), (3288, 55116), (3699, 48992), (4384, 41337), (4593, 39456), (4932, 36744), (6124, 29592), (6576, 27558), (7398, 24496), (9186, 19728), (9864, 18372), (12248, 14796), (13152, 13779)]