149981920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 398974464

約数和(自身を除く): 248992544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 121, 122, 127, 160, 176, 220, 242, 244, 254, 305, 352, 440, 484, 488, 508, 605, 610, 635, 671, 880, 968, 976, 1016, 1210, 1220, 1270, 1342, 1397, 1760, 1936, 1952, 2032, 2420, 2440, 2540, 2684, 2794, 3355, 3872, 4064, 4840, 4880, 5080, 5368, 5588, 6710, 6985, 7381, 7747, 9680, 9760, 10160, 10736, 11176, 13420, 13970, 14762, 15367, 15494, 19360, 20320, 21472, 22352, 26840, 27940, 29524, 30734, 30988, 36905, 38735, 44704, 53680, 55880, 59048, 61468, 61976, 73810, 76835, 77470, 85217, 107360, 111760, 118096, 122936, 123952, 147620, 153670, 154940, 170434, 223520, 236192, 245872, 247904, 295240, 307340, 309880, 340868, 426085, 491744, 590480, 614680, 619760, 681736, 852170, 937387, 1180960, 1229360, 1239520, 1363472, 1704340, 1874774, 2458720, 2726944, 3408680, 3749548, 4686935, 6817360, 7499096, 9373870, 13634720, 14998192, 18747740, 29996384, 37495480, 74990960, 149981920]

約数ペア:

[(1, 149981920), (2, 74990960), (4, 37495480), (5, 29996384), (8, 18747740), (10, 14998192), (11, 13634720), (16, 9373870), (20, 7499096), (22, 6817360), (32, 4686935), (40, 3749548), (44, 3408680), (55, 2726944), (61, 2458720), (80, 1874774), (88, 1704340), (110, 1363472), (121, 1239520), (122, 1229360), (127, 1180960), (160, 937387), (176, 852170), (220, 681736), (242, 619760), (244, 614680), (254, 590480), (305, 491744), (352, 426085), (440, 340868), (484, 309880), (488, 307340), (508, 295240), (605, 247904), (610, 245872), (635, 236192), (671, 223520), (880, 170434), (968, 154940), (976, 153670), (1016, 147620), (1210, 123952), (1220, 122936), (1270, 118096), (1342, 111760), (1397, 107360), (1760, 85217), (1936, 77470), (1952, 76835), (2032, 73810), (2420, 61976), (2440, 61468), (2540, 59048), (2684, 55880), (2794, 53680), (3355, 44704), (3872, 38735), (4064, 36905), (4840, 30988), (4880, 30734), (5080, 29524), (5368, 27940), (5588, 26840), (6710, 22352), (6985, 21472), (7381, 20320), (7747, 19360), (9680, 15494), (9760, 15367), (10160, 14762), (10736, 13970), (11176, 13420)]