255528720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18679}}^1$

素因数の和:18717

約数の個数: 120

約数和(自身を含む): 903364800

約数和(自身を除く): 647836080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 18679, 37358, 56037, 74716, 93395, 112074, 149432, 168111, 186790, 224148, 280185, 298864, 336222, 354901, 373580, 448296, 560370, 672444, 709802, 747160, 840555, 896592, 1064703, 1120740, 1344888, 1419604, 1494320, 1681110, 1774505, 2129406, 2241480, 2689776, 2839208, 3194109, 3362220, 3549010, 4258812, 4482960, 5323515, 5678416, 6388218, 6724440, 7098020, 8517624, 10647030, 12776436, 13448880, 14196040, 15970545, 17035248, 21294060, 25552872, 28392080, 31941090, 42588120, 51105744, 63882180, 85176240, 127764360, 255528720]

約数ペア:

[(1, 255528720), (2, 127764360), (3, 85176240), (4, 63882180), (5, 51105744), (6, 42588120), (8, 31941090), (9, 28392080), (10, 25552872), (12, 21294060), (15, 17035248), (16, 15970545), (18, 14196040), (19, 13448880), (20, 12776436), (24, 10647030), (30, 8517624), (36, 7098020), (38, 6724440), (40, 6388218), (45, 5678416), (48, 5323515), (57, 4482960), (60, 4258812), (72, 3549010), (76, 3362220), (80, 3194109), (90, 2839208), (95, 2689776), (114, 2241480), (120, 2129406), (144, 1774505), (152, 1681110), (171, 1494320), (180, 1419604), (190, 1344888), (228, 1120740), (240, 1064703), (285, 896592), (304, 840555), (342, 747160), (360, 709802), (380, 672444), (456, 560370), (570, 448296), (684, 373580), (720, 354901), (760, 336222), (855, 298864), (912, 280185), (1140, 224148), (1368, 186790), (1520, 168111), (1710, 149432), (2280, 112074), (2736, 93395), (3420, 74716), (4560, 56037), (6840, 37358), (13680, 18679)]