656238240

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21701}}^1$

素因数の和:21732

約数の個数: 192

約数和(自身を含む): 2625073920

約数和(自身を除く): 1968835680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 21701, 30240, 43402, 65103, 86804, 108505, 130206, 151907, 173608, 195309, 217010, 260412, 303814, 325515, 347216, 390618, 434020, 455721, 520824, 585927, 607628, 651030, 694432, 759535, 781236, 868040, 911442, 976545, 1041648, 1171854, 1215256, 1302060, 1367163, 1519070, 1562472, 1736080, 1822884, 1953090, 2083296, 2278605, 2343708, 2430512, 2604120, 2734326, 2929635, 3038140, 3124944, 3472160, 3645768, 3906180, 4101489, 4557210, 4687416, 4861024, 5208240, 5468652, 5859270, 6076280, 6249888, 6835815, 7291536, 7812360, 8202978, 9114420, 9374832, 10416480, 10937304, 11718540, 12152560, 13671630, 14583072, 15624720, 16405956, 18228840, 18749664, 20507445, 21874608, 23437080, 24305120, 27343260, 31249440, 32811912, 36457680, 41014890, 43749216, 46874160, 54686520, 65623824, 72915360, 82029780, 93748320, 109373040, 131247648, 164059560, 218746080, 328119120, 656238240]

約数ペア:

[(1, 656238240), (2, 328119120), (3, 218746080), (4, 164059560), (5, 131247648), (6, 109373040), (7, 93748320), (8, 82029780), (9, 72915360), (10, 65623824), (12, 54686520), (14, 46874160), (15, 43749216), (16, 41014890), (18, 36457680), (20, 32811912), (21, 31249440), (24, 27343260), (27, 24305120), (28, 23437080), (30, 21874608), (32, 20507445), (35, 18749664), (36, 18228840), (40, 16405956), (42, 15624720), (45, 14583072), (48, 13671630), (54, 12152560), (56, 11718540), (60, 10937304), (63, 10416480), (70, 9374832), (72, 9114420), (80, 8202978), (84, 7812360), (90, 7291536), (96, 6835815), (105, 6249888), (108, 6076280), (112, 5859270), (120, 5468652), (126, 5208240), (135, 4861024), (140, 4687416), (144, 4557210), (160, 4101489), (168, 3906180), (180, 3645768), (189, 3472160), (210, 3124944), (216, 3038140), (224, 2929635), (240, 2734326), (252, 2604120), (270, 2430512), (280, 2343708), (288, 2278605), (315, 2083296), (336, 1953090), (360, 1822884), (378, 1736080), (420, 1562472), (432, 1519070), (480, 1367163), (504, 1302060), (540, 1215256), (560, 1171854), (630, 1041648), (672, 976545), (720, 911442), (756, 868040), (840, 781236), (864, 759535), (945, 694432), (1008, 651030), (1080, 607628), (1120, 585927), (1260, 520824), (1440, 455721), (1512, 434020), (1680, 390618), (1890, 347216), (2016, 325515), (2160, 303814), (2520, 260412), (3024, 217010), (3360, 195309), (3780, 173608), (4320, 151907), (5040, 130206), (6048, 108505), (7560, 86804), (10080, 65103), (15120, 43402), (21701, 30240)]