28106640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 95559360

約数和(自身を除く): 67452720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 379, 412, 515, 618, 720, 758, 824, 927, 1030, 1137, 1236, 1516, 1545, 1648, 1854, 1895, 2060, 2274, 2472, 3032, 3090, 3411, 3708, 3790, 4120, 4548, 4635, 4944, 5685, 6064, 6180, 6822, 7416, 7580, 8240, 9096, 9270, 11370, 12360, 13644, 14832, 15160, 17055, 18192, 18540, 22740, 24720, 27288, 30320, 34110, 37080, 39037, 45480, 54576, 68220, 74160, 78074, 90960, 117111, 136440, 156148, 195185, 234222, 272880, 312296, 351333, 390370, 468444, 585555, 624592, 702666, 780740, 936888, 1171110, 1405332, 1561480, 1756665, 1873776, 2342220, 2810664, 3122960, 3513330, 4684440, 5621328, 7026660, 9368880, 14053320, 28106640]

約数ペア:

[(1, 28106640), (2, 14053320), (3, 9368880), (4, 7026660), (5, 5621328), (6, 4684440), (8, 3513330), (9, 3122960), (10, 2810664), (12, 2342220), (15, 1873776), (16, 1756665), (18, 1561480), (20, 1405332), (24, 1171110), (30, 936888), (36, 780740), (40, 702666), (45, 624592), (48, 585555), (60, 468444), (72, 390370), (80, 351333), (90, 312296), (103, 272880), (120, 234222), (144, 195185), (180, 156148), (206, 136440), (240, 117111), (309, 90960), (360, 78074), (379, 74160), (412, 68220), (515, 54576), (618, 45480), (720, 39037), (758, 37080), (824, 34110), (927, 30320), (1030, 27288), (1137, 24720), (1236, 22740), (1516, 18540), (1545, 18192), (1648, 17055), (1854, 15160), (1895, 14832), (2060, 13644), (2274, 12360), (2472, 11370), (3032, 9270), (3090, 9096), (3411, 8240), (3708, 7580), (3790, 7416), (4120, 6822), (4548, 6180), (4635, 6064), (4944, 5685)]