18035680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 49805280

約数和(自身を除く): 31769600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 29, 32, 40, 46, 52, 58, 65, 80, 92, 104, 115, 116, 130, 145, 160, 169, 184, 208, 230, 232, 260, 290, 299, 338, 368, 377, 416, 460, 464, 520, 580, 598, 667, 676, 736, 754, 845, 920, 928, 1040, 1160, 1196, 1334, 1352, 1495, 1508, 1690, 1840, 1885, 2080, 2320, 2392, 2668, 2704, 2990, 3016, 3335, 3380, 3680, 3770, 3887, 4640, 4784, 4901, 5336, 5408, 5980, 6032, 6670, 6760, 7540, 7774, 8671, 9568, 9802, 10672, 11960, 12064, 13340, 13520, 15080, 15548, 17342, 19435, 19604, 21344, 23920, 24505, 26680, 27040, 30160, 31096, 34684, 38870, 39208, 43355, 47840, 49010, 53360, 60320, 62192, 69368, 77740, 78416, 86710, 98020, 106720, 112723, 124384, 138736, 155480, 156832, 173420, 196040, 225446, 277472, 310960, 346840, 392080, 450892, 563615, 621920, 693680, 784160, 901784, 1127230, 1387360, 1803568, 2254460, 3607136, 4508920, 9017840, 18035680]

約数ペア:

[(1, 18035680), (2, 9017840), (4, 4508920), (5, 3607136), (8, 2254460), (10, 1803568), (13, 1387360), (16, 1127230), (20, 901784), (23, 784160), (26, 693680), (29, 621920), (32, 563615), (40, 450892), (46, 392080), (52, 346840), (58, 310960), (65, 277472), (80, 225446), (92, 196040), (104, 173420), (115, 156832), (116, 155480), (130, 138736), (145, 124384), (160, 112723), (169, 106720), (184, 98020), (208, 86710), (230, 78416), (232, 77740), (260, 69368), (290, 62192), (299, 60320), (338, 53360), (368, 49010), (377, 47840), (416, 43355), (460, 39208), (464, 38870), (520, 34684), (580, 31096), (598, 30160), (667, 27040), (676, 26680), (736, 24505), (754, 23920), (845, 21344), (920, 19604), (928, 19435), (1040, 17342), (1160, 15548), (1196, 15080), (1334, 13520), (1352, 13340), (1495, 12064), (1508, 11960), (1690, 10672), (1840, 9802), (1885, 9568), (2080, 8671), (2320, 7774), (2392, 7540), (2668, 6760), (2704, 6670), (2990, 6032), (3016, 5980), (3335, 5408), (3380, 5336), (3680, 4901), (3770, 4784), (3887, 4640)]