720955980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{3259}}^1$

素因数の和:4503

約数の個数: 72

約数和(自身を含む): 2189350800

約数和(自身を除く): 1468394820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1229, 2458, 3259, 3687, 4916, 6145, 6518, 7374, 9777, 11061, 12290, 13036, 14748, 16295, 18435, 19554, 22122, 24580, 29331, 32590, 36870, 39108, 44244, 48885, 55305, 58662, 65180, 73740, 97770, 110610, 117324, 146655, 195540, 221220, 293310, 586620, 4005311, 8010622, 12015933, 16021244, 20026555, 24031866, 36047799, 40053110, 48063732, 60079665, 72095598, 80106220, 120159330, 144191196, 180238995, 240318660, 360477990, 720955980]

約数ペア:

[(1, 720955980), (2, 360477990), (3, 240318660), (4, 180238995), (5, 144191196), (6, 120159330), (9, 80106220), (10, 72095598), (12, 60079665), (15, 48063732), (18, 40053110), (20, 36047799), (30, 24031866), (36, 20026555), (45, 16021244), (60, 12015933), (90, 8010622), (180, 4005311), (1229, 586620), (2458, 293310), (3259, 221220), (3687, 195540), (4916, 146655), (6145, 117324), (6518, 110610), (7374, 97770), (9777, 73740), (11061, 65180), (12290, 58662), (13036, 55305), (14748, 48885), (16295, 44244), (18435, 39108), (19554, 36870), (22122, 32590), (24580, 29331)]