64776180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154229}}^1$

素因数の和:154248

約数の個数: 48

約数和(自身を含む): 207285120

約数和(自身を除く): 142508940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 154229, 308458, 462687, 616916, 771145, 925374, 1079603, 1542290, 1850748, 2159206, 2313435, 3084580, 3238809, 4318412, 4626870, 5398015, 6477618, 9253740, 10796030, 12955236, 16194045, 21592060, 32388090, 64776180]

約数ペア:

[(1, 64776180), (2, 32388090), (3, 21592060), (4, 16194045), (5, 12955236), (6, 10796030), (7, 9253740), (10, 6477618), (12, 5398015), (14, 4626870), (15, 4318412), (20, 3238809), (21, 3084580), (28, 2313435), (30, 2159206), (35, 1850748), (42, 1542290), (60, 1079603), (70, 925374), (84, 771145), (105, 616916), (140, 462687), (210, 308458), (420, 154229)]