18756120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 56700000

約数和(自身を除く): 37943880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1049, 1192, 1490, 1788, 2098, 2235, 2980, 3147, 3576, 4196, 4470, 5245, 5960, 6294, 8392, 8940, 10490, 12588, 15735, 17880, 20980, 25176, 31470, 41960, 62940, 125880, 156301, 312602, 468903, 625204, 781505, 937806, 1250408, 1563010, 1875612, 2344515, 3126020, 3751224, 4689030, 6252040, 9378060, 18756120]

約数ペア:

[(1, 18756120), (2, 9378060), (3, 6252040), (4, 4689030), (5, 3751224), (6, 3126020), (8, 2344515), (10, 1875612), (12, 1563010), (15, 1250408), (20, 937806), (24, 781505), (30, 625204), (40, 468903), (60, 312602), (120, 156301), (149, 125880), (298, 62940), (447, 41960), (596, 31470), (745, 25176), (894, 20980), (1049, 17880), (1192, 15735), (1490, 12588), (1788, 10490), (2098, 8940), (2235, 8392), (2980, 6294), (3147, 5960), (3576, 5245), (4196, 4470)]