85881420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2857}}^1$

素因数の和:3039

約数の個数: 72

約数和(自身を含む): 262158624

約数和(自身を除く): 176277204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 2004, 2505, 2857, 3006, 3340, 5010, 5714, 6012, 7515, 8571, 10020, 11428, 14285, 15030, 17142, 25713, 28570, 30060, 34284, 42855, 51426, 57140, 85710, 102852, 128565, 171420, 257130, 477119, 514260, 954238, 1431357, 1908476, 2385595, 2862714, 4294071, 4771190, 5725428, 7156785, 8588142, 9542380, 14313570, 17176284, 21470355, 28627140, 42940710, 85881420]

約数ペア:

[(1, 85881420), (2, 42940710), (3, 28627140), (4, 21470355), (5, 17176284), (6, 14313570), (9, 9542380), (10, 8588142), (12, 7156785), (15, 5725428), (18, 4771190), (20, 4294071), (30, 2862714), (36, 2385595), (45, 1908476), (60, 1431357), (90, 954238), (167, 514260), (180, 477119), (334, 257130), (501, 171420), (668, 128565), (835, 102852), (1002, 85710), (1503, 57140), (1670, 51426), (2004, 42855), (2505, 34284), (2857, 30060), (3006, 28570), (3340, 25713), (5010, 17142), (5714, 15030), (6012, 14285), (7515, 11428), (8571, 10020)]