218268120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1319}}^1$

素因数の和:1537

約数の個数: 128

約数和(自身を含む): 752716800

約数和(自身を除く): 534448680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1319, 1379, 1576, 1970, 2364, 2638, 2758, 2955, 3940, 3957, 4137, 4728, 5276, 5516, 5910, 6595, 6895, 7880, 7914, 8274, 9233, 10552, 11032, 11820, 13190, 13790, 15828, 16548, 18466, 19785, 20685, 23640, 26380, 27580, 27699, 31656, 33096, 36932, 39570, 41370, 46165, 52760, 55160, 55398, 73864, 79140, 82740, 92330, 110796, 138495, 158280, 165480, 184660, 221592, 259843, 276990, 369320, 519686, 553980, 779529, 1039372, 1107960, 1299215, 1559058, 1818901, 2078744, 2598430, 3118116, 3637802, 3897645, 5196860, 5456703, 6236232, 7275604, 7795290, 9094505, 10393720, 10913406, 14551208, 15590580, 18189010, 21826812, 27283515, 31181160, 36378020, 43653624, 54567030, 72756040, 109134060, 218268120]

約数ペア:

[(1, 218268120), (2, 109134060), (3, 72756040), (4, 54567030), (5, 43653624), (6, 36378020), (7, 31181160), (8, 27283515), (10, 21826812), (12, 18189010), (14, 15590580), (15, 14551208), (20, 10913406), (21, 10393720), (24, 9094505), (28, 7795290), (30, 7275604), (35, 6236232), (40, 5456703), (42, 5196860), (56, 3897645), (60, 3637802), (70, 3118116), (84, 2598430), (105, 2078744), (120, 1818901), (140, 1559058), (168, 1299215), (197, 1107960), (210, 1039372), (280, 779529), (394, 553980), (420, 519686), (591, 369320), (788, 276990), (840, 259843), (985, 221592), (1182, 184660), (1319, 165480), (1379, 158280), (1576, 138495), (1970, 110796), (2364, 92330), (2638, 82740), (2758, 79140), (2955, 73864), (3940, 55398), (3957, 55160), (4137, 52760), (4728, 46165), (5276, 41370), (5516, 39570), (5910, 36932), (6595, 33096), (6895, 31656), (7880, 27699), (7914, 27580), (8274, 26380), (9233, 23640), (10552, 20685), (11032, 19785), (11820, 18466), (13190, 16548), (13790, 15828)]