213512820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{34549}}^1$

素因数の和:34664

約数の個数: 48

約数和(自身を含む): 603657600

約数和(自身を除く): 390144780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 6180, 34549, 69098, 103647, 138196, 172745, 207294, 345490, 414588, 518235, 690980, 1036470, 2072940, 3558547, 7117094, 10675641, 14234188, 17792735, 21351282, 35585470, 42702564, 53378205, 71170940, 106756410, 213512820]

約数ペア:

[(1, 213512820), (2, 106756410), (3, 71170940), (4, 53378205), (5, 42702564), (6, 35585470), (10, 21351282), (12, 17792735), (15, 14234188), (20, 10675641), (30, 7117094), (60, 3558547), (103, 2072940), (206, 1036470), (309, 690980), (412, 518235), (515, 414588), (618, 345490), (1030, 207294), (1236, 172745), (1545, 138196), (2060, 103647), (3090, 69098), (6180, 34549)]