31836560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 85411200

約数和(自身を除く): 53574640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 409, 556, 560, 695, 818, 973, 1112, 1390, 1636, 1946, 2045, 2224, 2780, 2863, 3272, 3892, 4090, 4865, 5560, 5726, 6544, 7784, 8180, 9730, 11120, 11452, 14315, 15568, 16360, 19460, 22904, 28630, 32720, 38920, 45808, 56851, 57260, 77840, 113702, 114520, 227404, 229040, 284255, 397957, 454808, 568510, 795914, 909616, 1137020, 1591828, 1989785, 2274040, 3183656, 3979570, 4548080, 6367312, 7959140, 15918280, 31836560]

約数ペア:

[(1, 31836560), (2, 15918280), (4, 7959140), (5, 6367312), (7, 4548080), (8, 3979570), (10, 3183656), (14, 2274040), (16, 1989785), (20, 1591828), (28, 1137020), (35, 909616), (40, 795914), (56, 568510), (70, 454808), (80, 397957), (112, 284255), (139, 229040), (140, 227404), (278, 114520), (280, 113702), (409, 77840), (556, 57260), (560, 56851), (695, 45808), (818, 38920), (973, 32720), (1112, 28630), (1390, 22904), (1636, 19460), (1946, 16360), (2045, 15568), (2224, 14315), (2780, 11452), (2863, 11120), (3272, 9730), (3892, 8180), (4090, 7784), (4865, 6544), (5560, 5726)]