161632980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2027}}^1$

素因数の和:2485

約数の個数: 72

約数和(自身を含む): 491635872

約数和(自身を除く): 330002892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2027, 2215, 2658, 3987, 4054, 4430, 5316, 6081, 6645, 7974, 8108, 8860, 10135, 12162, 13290, 15948, 18243, 19935, 20270, 24324, 26580, 30405, 36486, 39870, 40540, 60810, 72972, 79740, 91215, 121620, 182430, 364860, 897961, 1795922, 2693883, 3591844, 4489805, 5387766, 8081649, 8979610, 10775532, 13469415, 16163298, 17959220, 26938830, 32326596, 40408245, 53877660, 80816490, 161632980]

約数ペア:

[(1, 161632980), (2, 80816490), (3, 53877660), (4, 40408245), (5, 32326596), (6, 26938830), (9, 17959220), (10, 16163298), (12, 13469415), (15, 10775532), (18, 8979610), (20, 8081649), (30, 5387766), (36, 4489805), (45, 3591844), (60, 2693883), (90, 1795922), (180, 897961), (443, 364860), (886, 182430), (1329, 121620), (1772, 91215), (2027, 79740), (2215, 72972), (2658, 60810), (3987, 40540), (4054, 39870), (4430, 36486), (5316, 30405), (6081, 26580), (6645, 24324), (7974, 20270), (8108, 19935), (8860, 18243), (10135, 15948), (12162, 13290)]