404173620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8737}}^1$

素因数の和:9009

約数の個数: 72

約数和(自身を含む): 1230904584

約数和(自身を除く): 826730964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 8737, 9252, 11565, 15420, 17474, 23130, 26211, 34948, 43685, 46260, 52422, 78633, 87370, 104844, 131055, 157266, 174740, 262110, 314532, 393165, 524220, 786330, 1572660, 2245409, 4490818, 6736227, 8981636, 11227045, 13472454, 20208681, 22454090, 26944908, 33681135, 40417362, 44908180, 67362270, 80834724, 101043405, 134724540, 202086810, 404173620]

約数ペア:

[(1, 404173620), (2, 202086810), (3, 134724540), (4, 101043405), (5, 80834724), (6, 67362270), (9, 44908180), (10, 40417362), (12, 33681135), (15, 26944908), (18, 22454090), (20, 20208681), (30, 13472454), (36, 11227045), (45, 8981636), (60, 6736227), (90, 4490818), (180, 2245409), (257, 1572660), (514, 786330), (771, 524220), (1028, 393165), (1285, 314532), (1542, 262110), (2313, 174740), (2570, 157266), (3084, 131055), (3855, 104844), (4626, 87370), (5140, 78633), (7710, 52422), (8737, 46260), (9252, 43685), (11565, 34948), (15420, 26211), (17474, 23130)]