1281000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{61}}^1$

素因数の和:92

約数の個数: 128

約数和(自身を含む): 4642560

約数和(自身を除く): 3361560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 61, 70, 75, 84, 100, 105, 120, 122, 125, 140, 150, 168, 175, 183, 200, 210, 244, 250, 280, 300, 305, 350, 366, 375, 420, 427, 488, 500, 525, 600, 610, 700, 732, 750, 840, 854, 875, 915, 1000, 1050, 1220, 1281, 1400, 1464, 1500, 1525, 1708, 1750, 1830, 2100, 2135, 2440, 2562, 2625, 3000, 3050, 3416, 3500, 3660, 4200, 4270, 4575, 5124, 5250, 6100, 6405, 7000, 7320, 7625, 8540, 9150, 10248, 10500, 10675, 12200, 12810, 15250, 17080, 18300, 21000, 21350, 22875, 25620, 30500, 32025, 36600, 42700, 45750, 51240, 53375, 61000, 64050, 85400, 91500, 106750, 128100, 160125, 183000, 213500, 256200, 320250, 427000, 640500, 1281000]

約数ペア:

[(1, 1281000), (2, 640500), (3, 427000), (4, 320250), (5, 256200), (6, 213500), (7, 183000), (8, 160125), (10, 128100), (12, 106750), (14, 91500), (15, 85400), (20, 64050), (21, 61000), (24, 53375), (25, 51240), (28, 45750), (30, 42700), (35, 36600), (40, 32025), (42, 30500), (50, 25620), (56, 22875), (60, 21350), (61, 21000), (70, 18300), (75, 17080), (84, 15250), (100, 12810), (105, 12200), (120, 10675), (122, 10500), (125, 10248), (140, 9150), (150, 8540), (168, 7625), (175, 7320), (183, 7000), (200, 6405), (210, 6100), (244, 5250), (250, 5124), (280, 4575), (300, 4270), (305, 4200), (350, 3660), (366, 3500), (375, 3416), (420, 3050), (427, 3000), (488, 2625), (500, 2562), (525, 2440), (600, 2135), (610, 2100), (700, 1830), (732, 1750), (750, 1708), (840, 1525), (854, 1500), (875, 1464), (915, 1400), (1000, 1281), (1050, 1220)]