15490140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{599}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 28055460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 599, 862, 1198, 1293, 1724, 1797, 2155, 2396, 2586, 2995, 3594, 4310, 5172, 5990, 6465, 7188, 8620, 8985, 11980, 12930, 17970, 25860, 35940, 258169, 516338, 774507, 1032676, 1290845, 1549014, 2581690, 3098028, 3872535, 5163380, 7745070, 15490140]

約数ペア:

[(1, 15490140), (2, 7745070), (3, 5163380), (4, 3872535), (5, 3098028), (6, 2581690), (10, 1549014), (12, 1290845), (15, 1032676), (20, 774507), (30, 516338), (60, 258169), (431, 35940), (599, 25860), (862, 17970), (1198, 12930), (1293, 11980), (1724, 8985), (1797, 8620), (2155, 7188), (2396, 6465), (2586, 5990), (2995, 5172), (3594, 4310)]