31431270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 82301184

約数和(自身を除く): 50869914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 830, 971, 1079, 1245, 1942, 2158, 2490, 2913, 3237, 4855, 5395, 5826, 6474, 9710, 10790, 12623, 14565, 16185, 25246, 29130, 32370, 37869, 63115, 75738, 80593, 126230, 161186, 189345, 241779, 378690, 402965, 483558, 805930, 1047709, 1208895, 2095418, 2417790, 3143127, 5238545, 6286254, 10477090, 15715635, 31431270]

約数ペア:

[(1, 31431270), (2, 15715635), (3, 10477090), (5, 6286254), (6, 5238545), (10, 3143127), (13, 2417790), (15, 2095418), (26, 1208895), (30, 1047709), (39, 805930), (65, 483558), (78, 402965), (83, 378690), (130, 241779), (166, 189345), (195, 161186), (249, 126230), (390, 80593), (415, 75738), (498, 63115), (830, 37869), (971, 32370), (1079, 29130), (1245, 25246), (1942, 16185), (2158, 14565), (2490, 12623), (2913, 10790), (3237, 9710), (4855, 6474), (5395, 5826)]