720132825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4751}}^1$

素因数の和:4854

約数の個数: 48

約数和(自身を含む): 1244491776

約数和(自身を除く): 524358951

約数列:

[1, 3, 5, 15, 25, 43, 47, 75, 129, 141, 215, 235, 645, 705, 1075, 1175, 2021, 3225, 3525, 4751, 6063, 10105, 14253, 23755, 30315, 50525, 71265, 118775, 151575, 204293, 223297, 356325, 612879, 669891, 1021465, 1116485, 3064395, 3349455, 5107325, 5582425, 9601771, 15321975, 16747275, 28805313, 48008855, 144026565, 240044275, 720132825]

約数ペア:

[(1, 720132825), (3, 240044275), (5, 144026565), (15, 48008855), (25, 28805313), (43, 16747275), (47, 15321975), (75, 9601771), (129, 5582425), (141, 5107325), (215, 3349455), (235, 3064395), (645, 1116485), (705, 1021465), (1075, 669891), (1175, 612879), (2021, 356325), (3225, 223297), (3525, 204293), (4751, 151575), (6063, 118775), (10105, 71265), (14253, 50525), (23755, 30315)]