31789680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 160

約数和(自身を含む): 110992896

約数和(自身を除く): 79203216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 443, 460, 520, 552, 598, 624, 690, 780, 886, 897, 920, 1040, 1104, 1196, 1329, 1380, 1495, 1560, 1772, 1794, 1840, 2215, 2392, 2658, 2760, 2990, 3120, 3544, 3588, 4430, 4485, 4784, 5316, 5520, 5759, 5980, 6645, 7088, 7176, 8860, 8970, 10189, 10632, 11518, 11960, 13290, 14352, 17277, 17720, 17940, 20378, 21264, 23036, 23920, 26580, 28795, 30567, 34554, 35440, 35880, 40756, 46072, 50945, 53160, 57590, 61134, 69108, 71760, 81512, 86385, 92144, 101890, 106320, 115180, 122268, 132457, 138216, 152835, 163024, 172770, 203780, 230360, 244536, 264914, 276432, 305670, 345540, 397371, 407560, 460720, 489072, 529828, 611340, 662285, 691080, 794742, 815120, 1059656, 1222680, 1324570, 1382160, 1589484, 1986855, 2119312, 2445360, 2649140, 3178968, 3973710, 5298280, 6357936, 7947420, 10596560, 15894840, 31789680]

約数ペア:

[(1, 31789680), (2, 15894840), (3, 10596560), (4, 7947420), (5, 6357936), (6, 5298280), (8, 3973710), (10, 3178968), (12, 2649140), (13, 2445360), (15, 2119312), (16, 1986855), (20, 1589484), (23, 1382160), (24, 1324570), (26, 1222680), (30, 1059656), (39, 815120), (40, 794742), (46, 691080), (48, 662285), (52, 611340), (60, 529828), (65, 489072), (69, 460720), (78, 407560), (80, 397371), (92, 345540), (104, 305670), (115, 276432), (120, 264914), (130, 244536), (138, 230360), (156, 203780), (184, 172770), (195, 163024), (208, 152835), (230, 138216), (240, 132457), (260, 122268), (276, 115180), (299, 106320), (312, 101890), (345, 92144), (368, 86385), (390, 81512), (443, 71760), (460, 69108), (520, 61134), (552, 57590), (598, 53160), (624, 50945), (690, 46072), (780, 40756), (886, 35880), (897, 35440), (920, 34554), (1040, 30567), (1104, 28795), (1196, 26580), (1329, 23920), (1380, 23036), (1495, 21264), (1560, 20378), (1772, 17940), (1794, 17720), (1840, 17277), (2215, 14352), (2392, 13290), (2658, 11960), (2760, 11518), (2990, 10632), (3120, 10189), (3544, 8970), (3588, 8860), (4430, 7176), (4485, 7088), (4784, 6645), (5316, 5980), (5520, 5759)]