65318820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155521}}^1$

素因数の和:155540

約数の個数: 48

約数和(自身を含む): 209021568

約数和(自身を除く): 143702748

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, 155521, 311042, 466563, 622084, 777605, 933126, 1088647, 1555210, 1866252, 2177294, 2332815, 3110420, 3265941, 4354588, 4665630, 5443235, 6531882, 9331260, 10886470, 13063764, 16329705, 21772940, 32659410, 65318820]

約数ペア:

[(1, 65318820), (2, 32659410), (3, 21772940), (4, 16329705), (5, 13063764), (6, 10886470), (7, 9331260), (10, 6531882), (12, 5443235), (14, 4665630), (15, 4354588), (20, 3265941), (21, 3110420), (28, 2332815), (30, 2177294), (35, 1866252), (42, 1555210), (60, 1088647), (70, 933126), (84, 777605), (105, 622084), (140, 466563), (210, 311042), (420, 155521)]