28152180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22343}}^1$

素因数の和:22365

約数の個数: 72

約数和(自身を含む): 97598592

約数和(自身を除く): 69446412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22343, 44686, 67029, 89372, 111715, 134058, 156401, 201087, 223430, 268116, 312802, 335145, 402174, 446860, 469203, 625604, 670290, 782005, 804348, 938406, 1005435, 1340580, 1407609, 1564010, 1876812, 2010870, 2346015, 2815218, 3128020, 4021740, 4692030, 5630436, 7038045, 9384060, 14076090, 28152180]

約数ペア:

[(1, 28152180), (2, 14076090), (3, 9384060), (4, 7038045), (5, 5630436), (6, 4692030), (7, 4021740), (9, 3128020), (10, 2815218), (12, 2346015), (14, 2010870), (15, 1876812), (18, 1564010), (20, 1407609), (21, 1340580), (28, 1005435), (30, 938406), (35, 804348), (36, 782005), (42, 670290), (45, 625604), (60, 469203), (63, 446860), (70, 402174), (84, 335145), (90, 312802), (105, 268116), (126, 223430), (140, 201087), (180, 156401), (210, 134058), (252, 111715), (315, 89372), (420, 67029), (630, 44686), (1260, 22343)]