31560660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{647}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 96235776

約数和(自身を除く): 64675116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 647, 813, 1084, 1294, 1355, 1626, 1941, 2439, 2588, 2710, 3235, 3252, 3882, 4065, 4878, 5420, 5823, 6470, 7764, 8130, 9705, 9756, 11646, 12195, 12940, 16260, 19410, 23292, 24390, 29115, 38820, 48780, 58230, 116460, 175337, 350674, 526011, 701348, 876685, 1052022, 1578033, 1753370, 2104044, 2630055, 3156066, 3506740, 5260110, 6312132, 7890165, 10520220, 15780330, 31560660]

約数ペア:

[(1, 31560660), (2, 15780330), (3, 10520220), (4, 7890165), (5, 6312132), (6, 5260110), (9, 3506740), (10, 3156066), (12, 2630055), (15, 2104044), (18, 1753370), (20, 1578033), (30, 1052022), (36, 876685), (45, 701348), (60, 526011), (90, 350674), (180, 175337), (271, 116460), (542, 58230), (647, 48780), (813, 38820), (1084, 29115), (1294, 24390), (1355, 23292), (1626, 19410), (1941, 16260), (2439, 12940), (2588, 12195), (2710, 11646), (3235, 9756), (3252, 9705), (3882, 8130), (4065, 7764), (4878, 6470), (5420, 5823)]