18418480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 47005920

約数和(自身を除く): 28587440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 467, 493, 580, 680, 934, 986, 1160, 1360, 1868, 1972, 2320, 2335, 2465, 3736, 3944, 4670, 4930, 7472, 7888, 7939, 9340, 9860, 13543, 15878, 18680, 19720, 27086, 31756, 37360, 39440, 39695, 54172, 63512, 67715, 79390, 108344, 127024, 135430, 158780, 216688, 230231, 270860, 317560, 460462, 541720, 635120, 920924, 1083440, 1151155, 1841848, 2302310, 3683696, 4604620, 9209240, 18418480]

約数ペア:

[(1, 18418480), (2, 9209240), (4, 4604620), (5, 3683696), (8, 2302310), (10, 1841848), (16, 1151155), (17, 1083440), (20, 920924), (29, 635120), (34, 541720), (40, 460462), (58, 317560), (68, 270860), (80, 230231), (85, 216688), (116, 158780), (136, 135430), (145, 127024), (170, 108344), (232, 79390), (272, 67715), (290, 63512), (340, 54172), (464, 39695), (467, 39440), (493, 37360), (580, 31756), (680, 27086), (934, 19720), (986, 18680), (1160, 15878), (1360, 13543), (1868, 9860), (1972, 9340), (2320, 7939), (2335, 7888), (2465, 7472), (3736, 4930), (3944, 4670)]