131241780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13757}}^1$

素因数の和:13825

約数の個数: 72

約数和(自身を含む): 405640872

約数和(自身を除く): 274399092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 13757, 27514, 41271, 55028, 68785, 82542, 123813, 137570, 165084, 206355, 247626, 275140, 412710, 495252, 619065, 729121, 825420, 1238130, 1458242, 2187363, 2476260, 2916484, 3645605, 4374726, 6562089, 7291210, 8749452, 10936815, 13124178, 14582420, 21873630, 26248356, 32810445, 43747260, 65620890, 131241780]

約数ペア:

[(1, 131241780), (2, 65620890), (3, 43747260), (4, 32810445), (5, 26248356), (6, 21873630), (9, 14582420), (10, 13124178), (12, 10936815), (15, 8749452), (18, 7291210), (20, 6562089), (30, 4374726), (36, 3645605), (45, 2916484), (53, 2476260), (60, 2187363), (90, 1458242), (106, 1238130), (159, 825420), (180, 729121), (212, 619065), (265, 495252), (318, 412710), (477, 275140), (530, 247626), (636, 206355), (795, 165084), (954, 137570), (1060, 123813), (1590, 82542), (1908, 68785), (2385, 55028), (3180, 41271), (4770, 27514), (9540, 13757)]