18090780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 54008640

約数和(自身を除く): 35917860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 222, 281, 290, 348, 370, 435, 444, 555, 562, 580, 740, 843, 870, 1073, 1110, 1124, 1405, 1686, 1740, 2146, 2220, 2810, 3219, 3372, 4215, 4292, 5365, 5620, 6438, 8149, 8430, 10397, 10730, 12876, 16095, 16298, 16860, 20794, 21460, 24447, 31191, 32190, 32596, 40745, 41588, 48894, 51985, 62382, 64380, 81490, 97788, 103970, 122235, 124764, 155955, 162980, 207940, 244470, 301513, 311910, 488940, 603026, 623820, 904539, 1206052, 1507565, 1809078, 3015130, 3618156, 4522695, 6030260, 9045390, 18090780]

約数ペア:

[(1, 18090780), (2, 9045390), (3, 6030260), (4, 4522695), (5, 3618156), (6, 3015130), (10, 1809078), (12, 1507565), (15, 1206052), (20, 904539), (29, 623820), (30, 603026), (37, 488940), (58, 311910), (60, 301513), (74, 244470), (87, 207940), (111, 162980), (116, 155955), (145, 124764), (148, 122235), (174, 103970), (185, 97788), (222, 81490), (281, 64380), (290, 62382), (348, 51985), (370, 48894), (435, 41588), (444, 40745), (555, 32596), (562, 32190), (580, 31191), (740, 24447), (843, 21460), (870, 20794), (1073, 16860), (1110, 16298), (1124, 16095), (1405, 12876), (1686, 10730), (1740, 10397), (2146, 8430), (2220, 8149), (2810, 6438), (3219, 5620), (3372, 5365), (4215, 4292)]