313597620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{248887}}^1$

素因数の和:248909

約数の個数: 72

約数和(自身を含む): 1087142784

約数和(自身を除く): 773545164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 248887, 497774, 746661, 995548, 1244435, 1493322, 1742209, 2239983, 2488870, 2986644, 3484418, 3733305, 4479966, 4977740, 5226627, 6968836, 7466610, 8711045, 8959932, 10453254, 11199915, 14933220, 15679881, 17422090, 20906508, 22399830, 26133135, 31359762, 34844180, 44799660, 52266270, 62719524, 78399405, 104532540, 156798810, 313597620]

約数ペア:

[(1, 313597620), (2, 156798810), (3, 104532540), (4, 78399405), (5, 62719524), (6, 52266270), (7, 44799660), (9, 34844180), (10, 31359762), (12, 26133135), (14, 22399830), (15, 20906508), (18, 17422090), (20, 15679881), (21, 14933220), (28, 11199915), (30, 10453254), (35, 8959932), (36, 8711045), (42, 7466610), (45, 6968836), (60, 5226627), (63, 4977740), (70, 4479966), (84, 3733305), (90, 3484418), (105, 2986644), (126, 2488870), (140, 2239983), (180, 1742209), (210, 1493322), (252, 1244435), (315, 995548), (420, 746661), (630, 497774), (1260, 248887)]