68457780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1373}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 208556712

約数和(自身を除く): 140098932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1373, 1385, 1662, 2493, 2746, 2770, 3324, 4119, 4155, 4986, 5492, 5540, 6865, 8238, 8310, 9972, 12357, 12465, 13730, 16476, 16620, 20595, 24714, 24930, 27460, 41190, 49428, 49860, 61785, 82380, 123570, 247140, 380321, 760642, 1140963, 1521284, 1901605, 2281926, 3422889, 3803210, 4563852, 5704815, 6845778, 7606420, 11409630, 13691556, 17114445, 22819260, 34228890, 68457780]

約数ペア:

[(1, 68457780), (2, 34228890), (3, 22819260), (4, 17114445), (5, 13691556), (6, 11409630), (9, 7606420), (10, 6845778), (12, 5704815), (15, 4563852), (18, 3803210), (20, 3422889), (30, 2281926), (36, 1901605), (45, 1521284), (60, 1140963), (90, 760642), (180, 380321), (277, 247140), (554, 123570), (831, 82380), (1108, 61785), (1373, 49860), (1385, 49428), (1662, 41190), (2493, 27460), (2746, 24930), (2770, 24714), (3324, 20595), (4119, 16620), (4155, 16476), (4986, 13730), (5492, 12465), (5540, 12357), (6865, 9972), (8238, 8310)]