15679912780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3449}}^1\times {\mathrm{4639}}^1$

素因数の和:8111

約数の個数: 72

約数和(自身を含む): 38323152000

約数和(自身を除く): 22643239220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3449, 4639, 6898, 9278, 13796, 17245, 18556, 23195, 24143, 32473, 34490, 46390, 48286, 64946, 68980, 92780, 96572, 120715, 129892, 162365, 169001, 227311, 241430, 324730, 338002, 454622, 482860, 649460, 676004, 845005, 909244, 1136555, 1690010, 2273110, 3380020, 4546220, 15999911, 31999822, 63999644, 79999555, 111999377, 159999110, 223998754, 319998220, 447997508, 559996885, 783995639, 1119993770, 1567991278, 2239987540, 3135982556, 3919978195, 7839956390, 15679912780]

約数ペア:

[(1, 15679912780), (2, 7839956390), (4, 3919978195), (5, 3135982556), (7, 2239987540), (10, 1567991278), (14, 1119993770), (20, 783995639), (28, 559996885), (35, 447997508), (49, 319998220), (70, 223998754), (98, 159999110), (140, 111999377), (196, 79999555), (245, 63999644), (490, 31999822), (980, 15999911), (3449, 4546220), (4639, 3380020), (6898, 2273110), (9278, 1690010), (13796, 1136555), (17245, 909244), (18556, 845005), (23195, 676004), (24143, 649460), (32473, 482860), (34490, 454622), (46390, 338002), (48286, 324730), (64946, 241430), (68980, 227311), (92780, 169001), (96572, 162365), (120715, 129892)]