18062720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 47038320

約数和(自身を除く): 28975600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 167, 169, 208, 260, 320, 334, 338, 416, 520, 640, 668, 676, 832, 835, 845, 1040, 1336, 1352, 1664, 1670, 1690, 2080, 2171, 2672, 2704, 3340, 3380, 4160, 4342, 5344, 5408, 6680, 6760, 8320, 8684, 10688, 10816, 10855, 13360, 13520, 17368, 21376, 21632, 21710, 26720, 27040, 28223, 34736, 43420, 53440, 54080, 56446, 69472, 86840, 106880, 108160, 112892, 138944, 141115, 173680, 225784, 277888, 282230, 347360, 451568, 564460, 694720, 903136, 1128920, 1389440, 1806272, 2257840, 3612544, 4515680, 9031360, 18062720]

約数ペア:

[(1, 18062720), (2, 9031360), (4, 4515680), (5, 3612544), (8, 2257840), (10, 1806272), (13, 1389440), (16, 1128920), (20, 903136), (26, 694720), (32, 564460), (40, 451568), (52, 347360), (64, 282230), (65, 277888), (80, 225784), (104, 173680), (128, 141115), (130, 138944), (160, 112892), (167, 108160), (169, 106880), (208, 86840), (260, 69472), (320, 56446), (334, 54080), (338, 53440), (416, 43420), (520, 34736), (640, 28223), (668, 27040), (676, 26720), (832, 21710), (835, 21632), (845, 21376), (1040, 17368), (1336, 13520), (1352, 13360), (1664, 10855), (1670, 10816), (1690, 10688), (2080, 8684), (2171, 8320), (2672, 6760), (2704, 6680), (3340, 5408), (3380, 5344), (4160, 4342)]