280806360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17863}}^1$

素因数の和:18008

約数の個数: 64

約数和(自身を含む): 848897280

約数和(自身を除く): 568090920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 17863, 35726, 53589, 71452, 89315, 107178, 142904, 178630, 214356, 267945, 357260, 428712, 535890, 714520, 1071780, 2143560, 2340053, 4680106, 7020159, 9360212, 11700265, 14040318, 18720424, 23400530, 28080636, 35100795, 46801060, 56161272, 70201590, 93602120, 140403180, 280806360]

約数ペア:

[(1, 280806360), (2, 140403180), (3, 93602120), (4, 70201590), (5, 56161272), (6, 46801060), (8, 35100795), (10, 28080636), (12, 23400530), (15, 18720424), (20, 14040318), (24, 11700265), (30, 9360212), (40, 7020159), (60, 4680106), (120, 2340053), (131, 2143560), (262, 1071780), (393, 714520), (524, 535890), (655, 428712), (786, 357260), (1048, 267945), (1310, 214356), (1572, 178630), (1965, 142904), (2620, 107178), (3144, 89315), (3930, 71452), (5240, 53589), (7860, 35726), (15720, 17863)]