64501980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4283}}^1$

素因数の和:4546

約数の個数: 48

約数和(自身を含む): 181367424

約数和(自身を除く): 116865444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3765, 4283, 5020, 7530, 8566, 12849, 15060, 17132, 21415, 25698, 42830, 51396, 64245, 85660, 128490, 256980, 1075033, 2150066, 3225099, 4300132, 5375165, 6450198, 10750330, 12900396, 16125495, 21500660, 32250990, 64501980]

約数ペア:

[(1, 64501980), (2, 32250990), (3, 21500660), (4, 16125495), (5, 12900396), (6, 10750330), (10, 6450198), (12, 5375165), (15, 4300132), (20, 3225099), (30, 2150066), (60, 1075033), (251, 256980), (502, 128490), (753, 85660), (1004, 64245), (1255, 51396), (1506, 42830), (2510, 25698), (3012, 21415), (3765, 17132), (4283, 15060), (5020, 12849), (7530, 8566)]