77969220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185641}}^1$

素因数の和:185660

約数の個数: 48

約数和(自身を含む): 249502848

約数和(自身を除く): 171533628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185641, 371282, 556923, 742564, 928205, 1113846, 1299487, 1856410, 2227692, 2598974, 2784615, 3712820, 3898461, 5197948, 5569230, 6497435, 7796922, 11138460, 12994870, 15593844, 19492305, 25989740, 38984610, 77969220]

約数ペア:

[(1, 77969220), (2, 38984610), (3, 25989740), (4, 19492305), (5, 15593844), (6, 12994870), (7, 11138460), (10, 7796922), (12, 6497435), (14, 5569230), (15, 5197948), (20, 3898461), (21, 3712820), (28, 2784615), (30, 2598974), (35, 2227692), (42, 1856410), (60, 1299487), (70, 1113846), (84, 928205), (105, 742564), (140, 556923), (210, 371282), (420, 185641)]