31488120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1925

約数の個数: 96

約数和(自身を含む): 104569920

約数和(自身を除く): 73081800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1861, 1880, 2115, 2820, 3384, 3722, 4230, 5583, 5640, 7444, 8460, 9305, 11166, 14888, 16749, 16920, 18610, 22332, 27915, 33498, 37220, 44664, 55830, 66996, 74440, 83745, 87467, 111660, 133992, 167490, 174934, 223320, 262401, 334980, 349868, 437335, 524802, 669960, 699736, 787203, 874670, 1049604, 1312005, 1574406, 1749340, 2099208, 2624010, 3148812, 3498680, 3936015, 5248020, 6297624, 7872030, 10496040, 15744060, 31488120]

約数ペア:

[(1, 31488120), (2, 15744060), (3, 10496040), (4, 7872030), (5, 6297624), (6, 5248020), (8, 3936015), (9, 3498680), (10, 3148812), (12, 2624010), (15, 2099208), (18, 1749340), (20, 1574406), (24, 1312005), (30, 1049604), (36, 874670), (40, 787203), (45, 699736), (47, 669960), (60, 524802), (72, 437335), (90, 349868), (94, 334980), (120, 262401), (141, 223320), (180, 174934), (188, 167490), (235, 133992), (282, 111660), (360, 87467), (376, 83745), (423, 74440), (470, 66996), (564, 55830), (705, 44664), (846, 37220), (940, 33498), (1128, 27915), (1410, 22332), (1692, 18610), (1861, 16920), (1880, 16749), (2115, 14888), (2820, 11166), (3384, 9305), (3722, 8460), (4230, 7444), (5583, 5640)]