915000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{61}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 2905320

約数和(自身を除く): 1990320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 120, 122, 125, 150, 183, 200, 244, 250, 300, 305, 366, 375, 488, 500, 600, 610, 625, 732, 750, 915, 1000, 1220, 1250, 1464, 1500, 1525, 1830, 1875, 2440, 2500, 3000, 3050, 3660, 3750, 4575, 5000, 6100, 7320, 7500, 7625, 9150, 12200, 15000, 15250, 18300, 22875, 30500, 36600, 38125, 45750, 61000, 76250, 91500, 114375, 152500, 183000, 228750, 305000, 457500, 915000]

約数ペア:

[(1, 915000), (2, 457500), (3, 305000), (4, 228750), (5, 183000), (6, 152500), (8, 114375), (10, 91500), (12, 76250), (15, 61000), (20, 45750), (24, 38125), (25, 36600), (30, 30500), (40, 22875), (50, 18300), (60, 15250), (61, 15000), (75, 12200), (100, 9150), (120, 7625), (122, 7500), (125, 7320), (150, 6100), (183, 5000), (200, 4575), (244, 3750), (250, 3660), (300, 3050), (305, 3000), (366, 2500), (375, 2440), (488, 1875), (500, 1830), (600, 1525), (610, 1500), (625, 1464), (732, 1250), (750, 1220), (915, 1000)]