188548740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1619}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 573168960

約数和(自身を除く): 384620220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1619, 1941, 2588, 3235, 3238, 3882, 4857, 5823, 6470, 6476, 7764, 8095, 9705, 9714, 11646, 12940, 14571, 16190, 19410, 19428, 23292, 24285, 29115, 29142, 32380, 38820, 48570, 58230, 58284, 72855, 97140, 116460, 145710, 291420, 1047493, 2094986, 3142479, 4189972, 5237465, 6284958, 9427437, 10474930, 12569916, 15712395, 18854874, 20949860, 31424790, 37709748, 47137185, 62849580, 94274370, 188548740]

約数ペア:

[(1, 188548740), (2, 94274370), (3, 62849580), (4, 47137185), (5, 37709748), (6, 31424790), (9, 20949860), (10, 18854874), (12, 15712395), (15, 12569916), (18, 10474930), (20, 9427437), (30, 6284958), (36, 5237465), (45, 4189972), (60, 3142479), (90, 2094986), (180, 1047493), (647, 291420), (1294, 145710), (1619, 116460), (1941, 97140), (2588, 72855), (3235, 58284), (3238, 58230), (3882, 48570), (4857, 38820), (5823, 32380), (6470, 29142), (6476, 29115), (7764, 24285), (8095, 23292), (9705, 19428), (9714, 19410), (11646, 16190), (12940, 14571)]