311045220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1787}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 945008064

約数和(自身を除く): 633962844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 967, 1787, 1934, 2901, 3574, 3868, 4835, 5361, 5802, 7148, 8703, 8935, 9670, 10722, 11604, 14505, 16083, 17406, 17870, 19340, 21444, 26805, 29010, 32166, 34812, 35740, 43515, 53610, 58020, 64332, 80415, 87030, 107220, 160830, 174060, 321660, 1728029, 3456058, 5184087, 6912116, 8640145, 10368174, 15552261, 17280290, 20736348, 25920435, 31104522, 34560580, 51840870, 62209044, 77761305, 103681740, 155522610, 311045220]

約数ペア:

[(1, 311045220), (2, 155522610), (3, 103681740), (4, 77761305), (5, 62209044), (6, 51840870), (9, 34560580), (10, 31104522), (12, 25920435), (15, 20736348), (18, 17280290), (20, 15552261), (30, 10368174), (36, 8640145), (45, 6912116), (60, 5184087), (90, 3456058), (180, 1728029), (967, 321660), (1787, 174060), (1934, 160830), (2901, 107220), (3574, 87030), (3868, 80415), (4835, 64332), (5361, 58020), (5802, 53610), (7148, 43515), (8703, 35740), (8935, 34812), (9670, 32166), (10722, 29010), (11604, 26805), (14505, 21444), (16083, 19340), (17406, 17870)]