218186640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43291}}^1$

素因数の和:43317

約数の個数: 120

約数和(自身を含む): 837440448

約数和(自身を除く): 619253808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43291, 86582, 129873, 173164, 216455, 259746, 303037, 346328, 389619, 432910, 519492, 606074, 649365, 692656, 779238, 865820, 909111, 1038984, 1212148, 1298730, 1515185, 1558476, 1731640, 1818222, 1948095, 2077968, 2424296, 2597460, 2727333, 3030370, 3116952, 3463280, 3636444, 3896190, 4545555, 4848592, 5194920, 5454666, 6060740, 6233904, 7272888, 7792380, 9091110, 10389840, 10909332, 12121480, 13636665, 14545776, 15584760, 18182220, 21818664, 24242960, 27273330, 31169520, 36364440, 43637328, 54546660, 72728880, 109093320, 218186640]

約数ペア:

[(1, 218186640), (2, 109093320), (3, 72728880), (4, 54546660), (5, 43637328), (6, 36364440), (7, 31169520), (8, 27273330), (9, 24242960), (10, 21818664), (12, 18182220), (14, 15584760), (15, 14545776), (16, 13636665), (18, 12121480), (20, 10909332), (21, 10389840), (24, 9091110), (28, 7792380), (30, 7272888), (35, 6233904), (36, 6060740), (40, 5454666), (42, 5194920), (45, 4848592), (48, 4545555), (56, 3896190), (60, 3636444), (63, 3463280), (70, 3116952), (72, 3030370), (80, 2727333), (84, 2597460), (90, 2424296), (105, 2077968), (112, 1948095), (120, 1818222), (126, 1731640), (140, 1558476), (144, 1515185), (168, 1298730), (180, 1212148), (210, 1038984), (240, 909111), (252, 865820), (280, 779238), (315, 692656), (336, 649365), (360, 606074), (420, 519492), (504, 432910), (560, 389619), (630, 346328), (720, 303037), (840, 259746), (1008, 216455), (1260, 173164), (1680, 129873), (2520, 86582), (5040, 43291)]