68790840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{33721}}^1$

素因数の和:33752

約数の個数: 64

約数和(自身を含む): 218518560

約数和(自身を除く): 149727720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 33721, 67442, 101163, 134884, 168605, 202326, 269768, 337210, 404652, 505815, 573257, 674420, 809304, 1011630, 1146514, 1348840, 1719771, 2023260, 2293028, 2866285, 3439542, 4046520, 4586056, 5732570, 6879084, 8598855, 11465140, 13758168, 17197710, 22930280, 34395420, 68790840]

約数ペア:

[(1, 68790840), (2, 34395420), (3, 22930280), (4, 17197710), (5, 13758168), (6, 11465140), (8, 8598855), (10, 6879084), (12, 5732570), (15, 4586056), (17, 4046520), (20, 3439542), (24, 2866285), (30, 2293028), (34, 2023260), (40, 1719771), (51, 1348840), (60, 1146514), (68, 1011630), (85, 809304), (102, 674420), (120, 573257), (136, 505815), (170, 404652), (204, 337210), (255, 269768), (340, 202326), (408, 168605), (510, 134884), (680, 101163), (1020, 67442), (2040, 33721)]