257009581020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70221197}}^1$

素因数の和:70221270

約数の個数: 48

約数和(自身を含む): 731423998368

約数和(自身を除く): 474414417348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 70221197, 140442394, 210663591, 280884788, 351105985, 421327182, 702211970, 842654364, 1053317955, 1404423940, 2106635910, 4213271820, 4283493017, 8566986034, 12850479051, 17133972068, 21417465085, 25700958102, 42834930170, 51401916204, 64252395255, 85669860340, 128504790510, 257009581020]

約数ペア:

[(1, 257009581020), (2, 128504790510), (3, 85669860340), (4, 64252395255), (5, 51401916204), (6, 42834930170), (10, 25700958102), (12, 21417465085), (15, 17133972068), (20, 12850479051), (30, 8566986034), (60, 4283493017), (61, 4213271820), (122, 2106635910), (183, 1404423940), (244, 1053317955), (305, 842654364), (366, 702211970), (610, 421327182), (732, 351105985), (915, 280884788), (1220, 210663591), (1830, 140442394), (3660, 70221197)]