81945000

素因数分解:

$2^3\times 3^3\times 5^4\times {\mathrm{607}}^1$

素因数の和:642

約数の個数: 160

約数和(自身を含む): 284908800

約数和(自身を除く): 202963800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 125, 135, 150, 180, 200, 216, 225, 250, 270, 300, 360, 375, 450, 500, 540, 600, 607, 625, 675, 750, 900, 1000, 1080, 1125, 1214, 1250, 1350, 1500, 1800, 1821, 1875, 2250, 2428, 2500, 2700, 3000, 3035, 3375, 3642, 3750, 4500, 4856, 5000, 5400, 5463, 5625, 6070, 6750, 7284, 7500, 9000, 9105, 10926, 11250, 12140, 13500, 14568, 15000, 15175, 16389, 16875, 18210, 21852, 22500, 24280, 27000, 27315, 30350, 32778, 33750, 36420, 43704, 45000, 45525, 54630, 60700, 65556, 67500, 72840, 75875, 81945, 91050, 109260, 121400, 131112, 135000, 136575, 151750, 163890, 182100, 218520, 227625, 273150, 303500, 327780, 364200, 379375, 409725, 455250, 546300, 607000, 655560, 682875, 758750, 819450, 910500, 1092600, 1138125, 1365750, 1517500, 1638900, 1821000, 2048625, 2276250, 2731500, 3035000, 3277800, 3414375, 4097250, 4552500, 5463000, 6828750, 8194500, 9105000, 10243125, 13657500, 16389000, 20486250, 27315000, 40972500, 81945000]

約数ペア:

[(1, 81945000), (2, 40972500), (3, 27315000), (4, 20486250), (5, 16389000), (6, 13657500), (8, 10243125), (9, 9105000), (10, 8194500), (12, 6828750), (15, 5463000), (18, 4552500), (20, 4097250), (24, 3414375), (25, 3277800), (27, 3035000), (30, 2731500), (36, 2276250), (40, 2048625), (45, 1821000), (50, 1638900), (54, 1517500), (60, 1365750), (72, 1138125), (75, 1092600), (90, 910500), (100, 819450), (108, 758750), (120, 682875), (125, 655560), (135, 607000), (150, 546300), (180, 455250), (200, 409725), (216, 379375), (225, 364200), (250, 327780), (270, 303500), (300, 273150), (360, 227625), (375, 218520), (450, 182100), (500, 163890), (540, 151750), (600, 136575), (607, 135000), (625, 131112), (675, 121400), (750, 109260), (900, 91050), (1000, 81945), (1080, 75875), (1125, 72840), (1214, 67500), (1250, 65556), (1350, 60700), (1500, 54630), (1800, 45525), (1821, 45000), (1875, 43704), (2250, 36420), (2428, 33750), (2500, 32778), (2700, 30350), (3000, 27315), (3035, 27000), (3375, 24280), (3642, 22500), (3750, 21852), (4500, 18210), (4856, 16875), (5000, 16389), (5400, 15175), (5463, 15000), (5625, 14568), (6070, 13500), (6750, 12140), (7284, 11250), (7500, 10926), (9000, 9105)]