816406680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{17137}}^1$

素因数の和:17548

約数の個数: 64

約数和(自身を含む): 2455532640

約数和(自身を除く): 1639125960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 7940, 9528, 11910, 15880, 17137, 23820, 34274, 47640, 51411, 68548, 85685, 102822, 137096, 171370, 205644, 257055, 342740, 411288, 514110, 685480, 1028220, 2056440, 6803389, 13606778, 20410167, 27213556, 34016945, 40820334, 54427112, 68033890, 81640668, 102050835, 136067780, 163281336, 204101670, 272135560, 408203340, 816406680]

約数ペア:

[(1, 816406680), (2, 408203340), (3, 272135560), (4, 204101670), (5, 163281336), (6, 136067780), (8, 102050835), (10, 81640668), (12, 68033890), (15, 54427112), (20, 40820334), (24, 34016945), (30, 27213556), (40, 20410167), (60, 13606778), (120, 6803389), (397, 2056440), (794, 1028220), (1191, 685480), (1588, 514110), (1985, 411288), (2382, 342740), (3176, 257055), (3970, 205644), (4764, 171370), (5955, 137096), (7940, 102822), (9528, 85685), (11910, 68548), (15880, 51411), (17137, 47640), (23820, 34274)]