315025720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{254053}}^1$

素因数の和:254095

約数の個数: 32

約数和(自身を含む): 731675520

約数和(自身を除く): 416649800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 254053, 508106, 1016212, 1270265, 2032424, 2540530, 5081060, 7875643, 10162120, 15751286, 31502572, 39378215, 63005144, 78756430, 157512860, 315025720]

約数ペア:

[(1, 315025720), (2, 157512860), (4, 78756430), (5, 63005144), (8, 39378215), (10, 31502572), (20, 15751286), (31, 10162120), (40, 7875643), (62, 5081060), (124, 2540530), (155, 2032424), (248, 1270265), (310, 1016212), (620, 508106), (1240, 254053)]