8790420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 24756480

約数和(自身を除く): 15966060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 613, 717, 956, 1195, 1226, 1434, 1839, 2390, 2452, 2868, 3065, 3585, 3678, 4780, 6130, 7170, 7356, 9195, 12260, 14340, 18390, 36780, 146507, 293014, 439521, 586028, 732535, 879042, 1465070, 1758084, 2197605, 2930140, 4395210, 8790420]

約数ペア:

[(1, 8790420), (2, 4395210), (3, 2930140), (4, 2197605), (5, 1758084), (6, 1465070), (10, 879042), (12, 732535), (15, 586028), (20, 439521), (30, 293014), (60, 146507), (239, 36780), (478, 18390), (613, 14340), (717, 12260), (956, 9195), (1195, 7356), (1226, 7170), (1434, 6130), (1839, 4780), (2390, 3678), (2452, 3585), (2868, 3065)]