31204920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{587}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 93985920

約数和(自身を除く): 62781000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 443, 587, 886, 1174, 1329, 1761, 1772, 2215, 2348, 2658, 2935, 3522, 3544, 4430, 4696, 5316, 5870, 6645, 7044, 8805, 8860, 10632, 11740, 13290, 14088, 17610, 17720, 23480, 26580, 35220, 53160, 70440, 260041, 520082, 780123, 1040164, 1300205, 1560246, 2080328, 2600410, 3120492, 3900615, 5200820, 6240984, 7801230, 10401640, 15602460, 31204920]

約数ペア:

[(1, 31204920), (2, 15602460), (3, 10401640), (4, 7801230), (5, 6240984), (6, 5200820), (8, 3900615), (10, 3120492), (12, 2600410), (15, 2080328), (20, 1560246), (24, 1300205), (30, 1040164), (40, 780123), (60, 520082), (120, 260041), (443, 70440), (587, 53160), (886, 35220), (1174, 26580), (1329, 23480), (1761, 17720), (1772, 17610), (2215, 14088), (2348, 13290), (2658, 11740), (2935, 10632), (3522, 8860), (3544, 8805), (4430, 7044), (4696, 6645), (5316, 5870)]