7156520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 18748800

約数和(自身を除く): 11592280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 419, 427, 488, 610, 838, 854, 1220, 1676, 1708, 2095, 2135, 2440, 2933, 3352, 3416, 4190, 4270, 5866, 8380, 8540, 11732, 14665, 16760, 17080, 23464, 25559, 29330, 51118, 58660, 102236, 117320, 127795, 178913, 204472, 255590, 357826, 511180, 715652, 894565, 1022360, 1431304, 1789130, 3578260, 7156520]

約数ペア:

[(1, 7156520), (2, 3578260), (4, 1789130), (5, 1431304), (7, 1022360), (8, 894565), (10, 715652), (14, 511180), (20, 357826), (28, 255590), (35, 204472), (40, 178913), (56, 127795), (61, 117320), (70, 102236), (122, 58660), (140, 51118), (244, 29330), (280, 25559), (305, 23464), (419, 17080), (427, 16760), (488, 14665), (610, 11732), (838, 8540), (854, 8380), (1220, 5866), (1676, 4270), (1708, 4190), (2095, 3416), (2135, 3352), (2440, 2933)]