18737760

素因数分解:

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

素因数の和:500

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 41016480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 103, 120, 160, 206, 240, 309, 379, 412, 480, 515, 618, 758, 824, 1030, 1137, 1236, 1516, 1545, 1648, 1895, 2060, 2274, 2472, 3032, 3090, 3296, 3790, 4120, 4548, 4944, 5685, 6064, 6180, 7580, 8240, 9096, 9888, 11370, 12128, 12360, 15160, 16480, 18192, 22740, 24720, 30320, 36384, 39037, 45480, 49440, 60640, 78074, 90960, 117111, 156148, 181920, 195185, 234222, 312296, 390370, 468444, 585555, 624592, 780740, 936888, 1171110, 1249184, 1561480, 1873776, 2342220, 3122960, 3747552, 4684440, 6245920, 9368880, 18737760]

約数ペア:

[(1, 18737760), (2, 9368880), (3, 6245920), (4, 4684440), (5, 3747552), (6, 3122960), (8, 2342220), (10, 1873776), (12, 1561480), (15, 1249184), (16, 1171110), (20, 936888), (24, 780740), (30, 624592), (32, 585555), (40, 468444), (48, 390370), (60, 312296), (80, 234222), (96, 195185), (103, 181920), (120, 156148), (160, 117111), (206, 90960), (240, 78074), (309, 60640), (379, 49440), (412, 45480), (480, 39037), (515, 36384), (618, 30320), (758, 24720), (824, 22740), (1030, 18192), (1137, 16480), (1236, 15160), (1516, 12360), (1545, 12128), (1648, 11370), (1895, 9888), (2060, 9096), (2274, 8240), (2472, 7580), (3032, 6180), (3090, 6064), (3296, 5685), (3790, 4944), (4120, 4548)]