31214480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 80352000

約数和(自身を除く): 49137520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 449, 632, 790, 869, 880, 898, 1264, 1580, 1738, 1796, 2245, 3160, 3476, 3592, 4345, 4490, 4939, 6320, 6952, 7184, 8690, 8980, 9878, 13904, 17380, 17960, 19756, 24695, 34760, 35471, 35920, 39512, 49390, 69520, 70942, 79024, 98780, 141884, 177355, 197560, 283768, 354710, 390181, 395120, 567536, 709420, 780362, 1418840, 1560724, 1950905, 2837680, 3121448, 3901810, 6242896, 7803620, 15607240, 31214480]

約数ペア:

[(1, 31214480), (2, 15607240), (4, 7803620), (5, 6242896), (8, 3901810), (10, 3121448), (11, 2837680), (16, 1950905), (20, 1560724), (22, 1418840), (40, 780362), (44, 709420), (55, 567536), (79, 395120), (80, 390181), (88, 354710), (110, 283768), (158, 197560), (176, 177355), (220, 141884), (316, 98780), (395, 79024), (440, 70942), (449, 69520), (632, 49390), (790, 39512), (869, 35920), (880, 35471), (898, 34760), (1264, 24695), (1580, 19756), (1738, 17960), (1796, 17380), (2245, 13904), (3160, 9878), (3476, 8980), (3592, 8690), (4345, 7184), (4490, 6952), (4939, 6320)]