256200

素因数分解:

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

素因数の和:87

約数の個数: 96

約数和(自身を含む): 922560

約数和(自身を除く): 666360

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, 140, 150, 168, 175, 183, 200, 210, 244, 280, 300, 305, 350, 366, 420, 427, 488, 525, 600, 610, 700, 732, 840, 854, 915, 1050, 1220, 1281, 1400, 1464, 1525, 1708, 1830, 2100, 2135, 2440, 2562, 3050, 3416, 3660, 4200, 4270, 4575, 5124, 6100, 6405, 7320, 8540, 9150, 10248, 10675, 12200, 12810, 17080, 18300, 21350, 25620, 32025, 36600, 42700, 51240, 64050, 85400, 128100, 256200]

約数ペア:

[(1, 256200), (2, 128100), (3, 85400), (4, 64050), (5, 51240), (6, 42700), (7, 36600), (8, 32025), (10, 25620), (12, 21350), (14, 18300), (15, 17080), (20, 12810), (21, 12200), (24, 10675), (25, 10248), (28, 9150), (30, 8540), (35, 7320), (40, 6405), (42, 6100), (50, 5124), (56, 4575), (60, 4270), (61, 4200), (70, 3660), (75, 3416), (84, 3050), (100, 2562), (105, 2440), (120, 2135), (122, 2100), (140, 1830), (150, 1708), (168, 1525), (175, 1464), (183, 1400), (200, 1281), (210, 1220), (244, 1050), (280, 915), (300, 854), (305, 840), (350, 732), (366, 700), (420, 610), (427, 600), (488, 525)]