15209840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6133}}^1$

素因数の和:6177

約数の個数: 40

約数和(自身を含む): 36509568

約数和(自身を除く): 21299728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6133, 12266, 24532, 30665, 49064, 61330, 98128, 122660, 190123, 245320, 380246, 490640, 760492, 950615, 1520984, 1901230, 3041968, 3802460, 7604920, 15209840]

約数ペア:

[(1, 15209840), (2, 7604920), (4, 3802460), (5, 3041968), (8, 1901230), (10, 1520984), (16, 950615), (20, 760492), (31, 490640), (40, 380246), (62, 245320), (80, 190123), (124, 122660), (155, 98128), (248, 61330), (310, 49064), (496, 30665), (620, 24532), (1240, 12266), (2480, 6133)]