28717140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4391}}^1$

素因数の和:4512

約数の個数: 48

約数和(自身を含む): 81164160

約数和(自身を除く): 52447020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 4391, 6540, 8782, 13173, 17564, 21955, 26346, 43910, 52692, 65865, 87820, 131730, 263460, 478619, 957238, 1435857, 1914476, 2393095, 2871714, 4786190, 5743428, 7179285, 9572380, 14358570, 28717140]

約数ペア:

[(1, 28717140), (2, 14358570), (3, 9572380), (4, 7179285), (5, 5743428), (6, 4786190), (10, 2871714), (12, 2393095), (15, 1914476), (20, 1435857), (30, 957238), (60, 478619), (109, 263460), (218, 131730), (327, 87820), (436, 65865), (545, 52692), (654, 43910), (1090, 26346), (1308, 21955), (1635, 17564), (2180, 13173), (3270, 8782), (4391, 6540)]