30447440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 74245248

約数和(自身を除く): 43797808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 167, 172, 212, 215, 265, 334, 344, 424, 430, 530, 668, 688, 835, 848, 860, 1060, 1336, 1670, 1720, 2120, 2279, 2672, 3340, 3440, 4240, 4558, 6680, 7181, 8851, 9116, 11395, 13360, 14362, 17702, 18232, 22790, 28724, 35404, 35905, 36464, 44255, 45580, 57448, 70808, 71810, 88510, 91160, 114896, 141616, 143620, 177020, 182320, 287240, 354040, 380593, 574480, 708080, 761186, 1522372, 1902965, 3044744, 3805930, 6089488, 7611860, 15223720, 30447440]

約数ペア:

[(1, 30447440), (2, 15223720), (4, 7611860), (5, 6089488), (8, 3805930), (10, 3044744), (16, 1902965), (20, 1522372), (40, 761186), (43, 708080), (53, 574480), (80, 380593), (86, 354040), (106, 287240), (167, 182320), (172, 177020), (212, 143620), (215, 141616), (265, 114896), (334, 91160), (344, 88510), (424, 71810), (430, 70808), (530, 57448), (668, 45580), (688, 44255), (835, 36464), (848, 35905), (860, 35404), (1060, 28724), (1336, 22790), (1670, 18232), (1720, 17702), (2120, 14362), (2279, 13360), (2672, 11395), (3340, 9116), (3440, 8851), (4240, 7181), (4558, 6680)]