205140180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4481}}^1$

素因数の和:4609

約数の個数: 96

約数和(自身を含む): 662618880

約数和(自身を除く): 457478700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 763, 1090, 1308, 1526, 1635, 2180, 2289, 3052, 3270, 3815, 4481, 4578, 6540, 7630, 8962, 9156, 11445, 13443, 15260, 17924, 22405, 22890, 26886, 31367, 44810, 45780, 53772, 62734, 67215, 89620, 94101, 125468, 134430, 156835, 188202, 268860, 313670, 376404, 470505, 488429, 627340, 941010, 976858, 1465287, 1882020, 1953716, 2442145, 2930574, 3419003, 4884290, 5861148, 6838006, 7326435, 9768580, 10257009, 13676012, 14652870, 17095015, 20514018, 29305740, 34190030, 41028036, 51285045, 68380060, 102570090, 205140180]

約数ペア:

[(1, 205140180), (2, 102570090), (3, 68380060), (4, 51285045), (5, 41028036), (6, 34190030), (7, 29305740), (10, 20514018), (12, 17095015), (14, 14652870), (15, 13676012), (20, 10257009), (21, 9768580), (28, 7326435), (30, 6838006), (35, 5861148), (42, 4884290), (60, 3419003), (70, 2930574), (84, 2442145), (105, 1953716), (109, 1882020), (140, 1465287), (210, 976858), (218, 941010), (327, 627340), (420, 488429), (436, 470505), (545, 376404), (654, 313670), (763, 268860), (1090, 188202), (1308, 156835), (1526, 134430), (1635, 125468), (2180, 94101), (2289, 89620), (3052, 67215), (3270, 62734), (3815, 53772), (4481, 45780), (4578, 44810), (6540, 31367), (7630, 26886), (8962, 22890), (9156, 22405), (11445, 17924), (13443, 15260)]