891000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{11}}^1$

素因数の和:44

約数の個数: 160

約数和(自身を含む): 3397680

約数和(自身を除く): 2506680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 30, 33, 36, 40, 44, 45, 50, 54, 55, 60, 66, 72, 75, 81, 88, 90, 99, 100, 108, 110, 120, 125, 132, 135, 150, 162, 165, 180, 198, 200, 216, 220, 225, 250, 264, 270, 275, 297, 300, 324, 330, 360, 375, 396, 405, 440, 450, 495, 500, 540, 550, 594, 600, 648, 660, 675, 750, 792, 810, 825, 891, 900, 990, 1000, 1080, 1100, 1125, 1188, 1320, 1350, 1375, 1485, 1500, 1620, 1650, 1782, 1800, 1980, 2025, 2200, 2250, 2376, 2475, 2700, 2750, 2970, 3000, 3240, 3300, 3375, 3564, 3960, 4050, 4125, 4455, 4500, 4950, 5400, 5500, 5940, 6600, 6750, 7128, 7425, 8100, 8250, 8910, 9000, 9900, 10125, 11000, 11880, 12375, 13500, 14850, 16200, 16500, 17820, 19800, 20250, 22275, 24750, 27000, 29700, 33000, 35640, 37125, 40500, 44550, 49500, 59400, 74250, 81000, 89100, 99000, 111375, 148500, 178200, 222750, 297000, 445500, 891000]

約数ペア:

[(1, 891000), (2, 445500), (3, 297000), (4, 222750), (5, 178200), (6, 148500), (8, 111375), (9, 99000), (10, 89100), (11, 81000), (12, 74250), (15, 59400), (18, 49500), (20, 44550), (22, 40500), (24, 37125), (25, 35640), (27, 33000), (30, 29700), (33, 27000), (36, 24750), (40, 22275), (44, 20250), (45, 19800), (50, 17820), (54, 16500), (55, 16200), (60, 14850), (66, 13500), (72, 12375), (75, 11880), (81, 11000), (88, 10125), (90, 9900), (99, 9000), (100, 8910), (108, 8250), (110, 8100), (120, 7425), (125, 7128), (132, 6750), (135, 6600), (150, 5940), (162, 5500), (165, 5400), (180, 4950), (198, 4500), (200, 4455), (216, 4125), (220, 4050), (225, 3960), (250, 3564), (264, 3375), (270, 3300), (275, 3240), (297, 3000), (300, 2970), (324, 2750), (330, 2700), (360, 2475), (375, 2376), (396, 2250), (405, 2200), (440, 2025), (450, 1980), (495, 1800), (500, 1782), (540, 1650), (550, 1620), (594, 1500), (600, 1485), (648, 1375), (660, 1350), (675, 1320), (750, 1188), (792, 1125), (810, 1100), (825, 1080), (891, 1000), (900, 990)]