12913120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 36197280

約数和(自身を除く): 23284160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 29, 32, 40, 44, 46, 55, 58, 80, 88, 92, 110, 115, 116, 121, 145, 160, 176, 184, 220, 230, 232, 242, 253, 290, 319, 352, 368, 440, 460, 464, 484, 506, 580, 605, 638, 667, 736, 880, 920, 928, 968, 1012, 1160, 1210, 1265, 1276, 1334, 1595, 1760, 1840, 1936, 2024, 2320, 2420, 2530, 2552, 2668, 2783, 3190, 3335, 3509, 3680, 3872, 4048, 4640, 4840, 5060, 5104, 5336, 5566, 6380, 6670, 7018, 7337, 8096, 9680, 10120, 10208, 10672, 11132, 12760, 13340, 13915, 14036, 14674, 17545, 19360, 20240, 21344, 22264, 25520, 26680, 27830, 28072, 29348, 35090, 36685, 40480, 44528, 51040, 53360, 55660, 56144, 58696, 70180, 73370, 80707, 89056, 106720, 111320, 112288, 117392, 140360, 146740, 161414, 222640, 234784, 280720, 293480, 322828, 403535, 445280, 561440, 586960, 645656, 807070, 1173920, 1291312, 1614140, 2582624, 3228280, 6456560, 12913120]

約数ペア:

[(1, 12913120), (2, 6456560), (4, 3228280), (5, 2582624), (8, 1614140), (10, 1291312), (11, 1173920), (16, 807070), (20, 645656), (22, 586960), (23, 561440), (29, 445280), (32, 403535), (40, 322828), (44, 293480), (46, 280720), (55, 234784), (58, 222640), (80, 161414), (88, 146740), (92, 140360), (110, 117392), (115, 112288), (116, 111320), (121, 106720), (145, 89056), (160, 80707), (176, 73370), (184, 70180), (220, 58696), (230, 56144), (232, 55660), (242, 53360), (253, 51040), (290, 44528), (319, 40480), (352, 36685), (368, 35090), (440, 29348), (460, 28072), (464, 27830), (484, 26680), (506, 25520), (580, 22264), (605, 21344), (638, 20240), (667, 19360), (736, 17545), (880, 14674), (920, 14036), (928, 13915), (968, 13340), (1012, 12760), (1160, 11132), (1210, 10672), (1265, 10208), (1276, 10120), (1334, 9680), (1595, 8096), (1760, 7337), (1840, 7018), (1936, 6670), (2024, 6380), (2320, 5566), (2420, 5336), (2530, 5104), (2552, 5060), (2668, 4840), (2783, 4640), (3190, 4048), (3335, 3872), (3509, 3680)]