31958460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4129}}^1$

素因数の和:4187

約数の個数: 72

約数和(自身を含む): 99219120

約数和(自身を除く): 67260660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 4129, 7740, 8258, 12387, 16516, 20645, 24774, 37161, 41290, 49548, 61935, 74322, 82580, 123870, 148644, 177547, 185805, 247740, 355094, 371610, 532641, 710188, 743220, 887735, 1065282, 1597923, 1775470, 2130564, 2663205, 3195846, 3550940, 5326410, 6391692, 7989615, 10652820, 15979230, 31958460]

約数ペア:

[(1, 31958460), (2, 15979230), (3, 10652820), (4, 7989615), (5, 6391692), (6, 5326410), (9, 3550940), (10, 3195846), (12, 2663205), (15, 2130564), (18, 1775470), (20, 1597923), (30, 1065282), (36, 887735), (43, 743220), (45, 710188), (60, 532641), (86, 371610), (90, 355094), (129, 247740), (172, 185805), (180, 177547), (215, 148644), (258, 123870), (387, 82580), (430, 74322), (516, 61935), (645, 49548), (774, 41290), (860, 37161), (1290, 24774), (1548, 20645), (1935, 16516), (2580, 12387), (3870, 8258), (4129, 7740)]