81037140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12391}}^1$

素因数の和:12512

約数の個数: 48

約数和(自身を含む): 229004160

約数和(自身を除く): 147967020

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, 6540, 12391, 24782, 37173, 49564, 61955, 74346, 123910, 148692, 185865, 247820, 371730, 743460, 1350619, 2701238, 4051857, 5402476, 6753095, 8103714, 13506190, 16207428, 20259285, 27012380, 40518570, 81037140]

約数ペア:

[(1, 81037140), (2, 40518570), (3, 27012380), (4, 20259285), (5, 16207428), (6, 13506190), (10, 8103714), (12, 6753095), (15, 5402476), (20, 4051857), (30, 2701238), (60, 1350619), (109, 743460), (218, 371730), (327, 247820), (436, 185865), (545, 148692), (654, 123910), (1090, 74346), (1308, 61955), (1635, 49564), (2180, 37173), (3270, 24782), (6540, 12391)]