18534720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 112

約数和(自身を含む): 60350400

約数和(自身を除く): 41815680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 449, 480, 516, 645, 688, 860, 898, 960, 1032, 1290, 1347, 1376, 1720, 1796, 2064, 2245, 2580, 2694, 2752, 3440, 3592, 4128, 4490, 5160, 5388, 6735, 6880, 7184, 8256, 8980, 10320, 10776, 13470, 13760, 14368, 17960, 19307, 20640, 21552, 26940, 28736, 35920, 38614, 41280, 43104, 53880, 57921, 71840, 77228, 86208, 96535, 107760, 115842, 143680, 154456, 193070, 215520, 231684, 289605, 308912, 386140, 431040, 463368, 579210, 617824, 772280, 926736, 1158420, 1235648, 1544560, 1853472, 2316840, 3089120, 3706944, 4633680, 6178240, 9267360, 18534720]

約数ペア:

[(1, 18534720), (2, 9267360), (3, 6178240), (4, 4633680), (5, 3706944), (6, 3089120), (8, 2316840), (10, 1853472), (12, 1544560), (15, 1235648), (16, 1158420), (20, 926736), (24, 772280), (30, 617824), (32, 579210), (40, 463368), (43, 431040), (48, 386140), (60, 308912), (64, 289605), (80, 231684), (86, 215520), (96, 193070), (120, 154456), (129, 143680), (160, 115842), (172, 107760), (192, 96535), (215, 86208), (240, 77228), (258, 71840), (320, 57921), (344, 53880), (430, 43104), (449, 41280), (480, 38614), (516, 35920), (645, 28736), (688, 26940), (860, 21552), (898, 20640), (960, 19307), (1032, 17960), (1290, 14368), (1347, 13760), (1376, 13470), (1720, 10776), (1796, 10320), (2064, 8980), (2245, 8256), (2580, 7184), (2694, 6880), (2752, 6735), (3440, 5388), (3592, 5160), (4128, 4490)]