788378520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{16889}}^1$

素因数の和:17292

約数の個数: 64

約数和(自身を含む): 2371356000

約数和(自身を除く): 1582977480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4668, 5835, 7780, 9336, 11670, 15560, 16889, 23340, 33778, 46680, 50667, 67556, 84445, 101334, 135112, 168890, 202668, 253335, 337780, 405336, 506670, 675560, 1013340, 2026680, 6569821, 13139642, 19709463, 26279284, 32849105, 39418926, 52558568, 65698210, 78837852, 98547315, 131396420, 157675704, 197094630, 262792840, 394189260, 788378520]

約数ペア:

[(1, 788378520), (2, 394189260), (3, 262792840), (4, 197094630), (5, 157675704), (6, 131396420), (8, 98547315), (10, 78837852), (12, 65698210), (15, 52558568), (20, 39418926), (24, 32849105), (30, 26279284), (40, 19709463), (60, 13139642), (120, 6569821), (389, 2026680), (778, 1013340), (1167, 675560), (1556, 506670), (1945, 405336), (2334, 337780), (3112, 253335), (3890, 202668), (4668, 168890), (5835, 135112), (7780, 101334), (9336, 84445), (11670, 67556), (15560, 50667), (16889, 46680), (23340, 33778)]