1425651560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{1777}}^1$

素因数の和:2466

約数の個数: 64

約数和(自身を含む): 3318174720

約数和(自身を除く): 1892523160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 647, 1240, 1294, 1777, 2588, 3235, 3554, 5176, 6470, 7108, 8885, 12940, 14216, 17770, 20057, 25880, 35540, 40114, 55087, 71080, 80228, 100285, 110174, 160456, 200570, 220348, 275435, 401140, 440696, 550870, 802280, 1101740, 1149719, 2203480, 2299438, 4598876, 5748595, 9197752, 11497190, 22994380, 35641289, 45988760, 71282578, 142565156, 178206445, 285130312, 356412890, 712825780, 1425651560]

約数ペア:

[(1, 1425651560), (2, 712825780), (4, 356412890), (5, 285130312), (8, 178206445), (10, 142565156), (20, 71282578), (31, 45988760), (40, 35641289), (62, 22994380), (124, 11497190), (155, 9197752), (248, 5748595), (310, 4598876), (620, 2299438), (647, 2203480), (1240, 1149719), (1294, 1101740), (1777, 802280), (2588, 550870), (3235, 440696), (3554, 401140), (5176, 275435), (6470, 220348), (7108, 200570), (8885, 160456), (12940, 110174), (14216, 100285), (17770, 80228), (20057, 71080), (25880, 55087), (35540, 40114)]