157280360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126839}}^1$

素因数の和:126881

約数の個数: 32

約数和(自身を含む): 365299200

約数和(自身を除く): 208018840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 126839, 253678, 507356, 634195, 1014712, 1268390, 2536780, 3932009, 5073560, 7864018, 15728036, 19660045, 31456072, 39320090, 78640180, 157280360]

約数ペア:

[(1, 157280360), (2, 78640180), (4, 39320090), (5, 31456072), (8, 19660045), (10, 15728036), (20, 7864018), (31, 5073560), (40, 3932009), (62, 2536780), (124, 1268390), (155, 1014712), (248, 634195), (310, 507356), (620, 253678), (1240, 126839)]