25952220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 66299940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 479, 516, 602, 630, 645, 774, 860, 903, 958, 1204, 1260, 1290, 1437, 1505, 1548, 1806, 1916, 1935, 2395, 2580, 2709, 2874, 3010, 3353, 3612, 3870, 4311, 4515, 4790, 5418, 5748, 6020, 6706, 7185, 7740, 8622, 9030, 9580, 10059, 10836, 13412, 13545, 14370, 16765, 17244, 18060, 20118, 20597, 21555, 27090, 28740, 30177, 33530, 40236, 41194, 43110, 50295, 54180, 60354, 61791, 67060, 82388, 86220, 100590, 102985, 120708, 123582, 144179, 150885, 185373, 201180, 205970, 247164, 288358, 301770, 308955, 370746, 411940, 432537, 576716, 603540, 617910, 720895, 741492, 865074, 926865, 1235820, 1297611, 1441790, 1730148, 1853730, 2162685, 2595222, 2883580, 3707460, 4325370, 5190444, 6488055, 8650740, 12976110, 25952220]

約数ペア:

[(1, 25952220), (2, 12976110), (3, 8650740), (4, 6488055), (5, 5190444), (6, 4325370), (7, 3707460), (9, 2883580), (10, 2595222), (12, 2162685), (14, 1853730), (15, 1730148), (18, 1441790), (20, 1297611), (21, 1235820), (28, 926865), (30, 865074), (35, 741492), (36, 720895), (42, 617910), (43, 603540), (45, 576716), (60, 432537), (63, 411940), (70, 370746), (84, 308955), (86, 301770), (90, 288358), (105, 247164), (126, 205970), (129, 201180), (140, 185373), (172, 150885), (180, 144179), (210, 123582), (215, 120708), (252, 102985), (258, 100590), (301, 86220), (315, 82388), (387, 67060), (420, 61791), (430, 60354), (479, 54180), (516, 50295), (602, 43110), (630, 41194), (645, 40236), (774, 33530), (860, 30177), (903, 28740), (958, 27090), (1204, 21555), (1260, 20597), (1290, 20118), (1437, 18060), (1505, 17244), (1548, 16765), (1806, 14370), (1916, 13545), (1935, 13412), (2395, 10836), (2580, 10059), (2709, 9580), (2874, 9030), (3010, 8622), (3353, 7740), (3612, 7185), (3870, 6706), (4311, 6020), (4515, 5748), (4790, 5418)]