68660820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2131}}^1$

素因数の和:2325

約数の個数: 72

約数和(自身を含む): 209532960

約数和(自身を除く): 140872140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2131, 2148, 2685, 3222, 3580, 4262, 5370, 6393, 6444, 8055, 8524, 10655, 10740, 12786, 16110, 19179, 21310, 25572, 31965, 32220, 38358, 42620, 63930, 76716, 95895, 127860, 191790, 381449, 383580, 762898, 1144347, 1525796, 1907245, 2288694, 3433041, 3814490, 4577388, 5721735, 6866082, 7628980, 11443470, 13732164, 17165205, 22886940, 34330410, 68660820]

約数ペア:

[(1, 68660820), (2, 34330410), (3, 22886940), (4, 17165205), (5, 13732164), (6, 11443470), (9, 7628980), (10, 6866082), (12, 5721735), (15, 4577388), (18, 3814490), (20, 3433041), (30, 2288694), (36, 1907245), (45, 1525796), (60, 1144347), (90, 762898), (179, 383580), (180, 381449), (358, 191790), (537, 127860), (716, 95895), (895, 76716), (1074, 63930), (1611, 42620), (1790, 38358), (2131, 32220), (2148, 31965), (2685, 25572), (3222, 21310), (3580, 19179), (4262, 16110), (5370, 12786), (6393, 10740), (6444, 10655), (8055, 8524)]