15241980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19541}}^1$

素因数の和:19566

約数の個数: 48

約数和(自身を含む): 45962784

約数和(自身を除く): 30720804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19541, 39082, 58623, 78164, 97705, 117246, 195410, 234492, 254033, 293115, 390820, 508066, 586230, 762099, 1016132, 1172460, 1270165, 1524198, 2540330, 3048396, 3810495, 5080660, 7620990, 15241980]

約数ペア:

[(1, 15241980), (2, 7620990), (3, 5080660), (4, 3810495), (5, 3048396), (6, 2540330), (10, 1524198), (12, 1270165), (13, 1172460), (15, 1016132), (20, 762099), (26, 586230), (30, 508066), (39, 390820), (52, 293115), (60, 254033), (65, 234492), (78, 195410), (130, 117246), (156, 97705), (195, 78164), (260, 58623), (390, 39082), (780, 19541)]