2450280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2917}}^1$

素因数の和:2938

約数の個数: 64

約数和(自身を含む): 8403840

約数和(自身を除く): 5953560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2917, 5834, 8751, 11668, 14585, 17502, 20419, 23336, 29170, 35004, 40838, 43755, 58340, 61257, 70008, 81676, 87510, 102095, 116680, 122514, 163352, 175020, 204190, 245028, 306285, 350040, 408380, 490056, 612570, 816760, 1225140, 2450280]

約数ペア:

[(1, 2450280), (2, 1225140), (3, 816760), (4, 612570), (5, 490056), (6, 408380), (7, 350040), (8, 306285), (10, 245028), (12, 204190), (14, 175020), (15, 163352), (20, 122514), (21, 116680), (24, 102095), (28, 87510), (30, 81676), (35, 70008), (40, 61257), (42, 58340), (56, 43755), (60, 40838), (70, 35004), (84, 29170), (105, 23336), (120, 20419), (140, 17502), (168, 14585), (210, 11668), (280, 8751), (420, 5834), (840, 2917)]