867572720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{2131}}^1$

素因数の和:2878

約数の個数: 80

約数和(自身を含む): 2309518848

約数和(自身を除く): 1441946128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 727, 1454, 2131, 2908, 3635, 4262, 5089, 5816, 7270, 8524, 10178, 10655, 11632, 14540, 14917, 17048, 20356, 21310, 25445, 29080, 29834, 34096, 40712, 42620, 50890, 58160, 59668, 74585, 81424, 85240, 101780, 119336, 149170, 170480, 203560, 238672, 298340, 407120, 596680, 1193360, 1549237, 3098474, 6196948, 7746185, 10844659, 12393896, 15492370, 21689318, 24787792, 30984740, 43378636, 54223295, 61969480, 86757272, 108446590, 123938960, 173514544, 216893180, 433786360, 867572720]

約数ペア:

[(1, 867572720), (2, 433786360), (4, 216893180), (5, 173514544), (7, 123938960), (8, 108446590), (10, 86757272), (14, 61969480), (16, 54223295), (20, 43378636), (28, 30984740), (35, 24787792), (40, 21689318), (56, 15492370), (70, 12393896), (80, 10844659), (112, 7746185), (140, 6196948), (280, 3098474), (560, 1549237), (727, 1193360), (1454, 596680), (2131, 407120), (2908, 298340), (3635, 238672), (4262, 203560), (5089, 170480), (5816, 149170), (7270, 119336), (8524, 101780), (10178, 85240), (10655, 81424), (11632, 74585), (14540, 59668), (14917, 58160), (17048, 50890), (20356, 42620), (21310, 40712), (25445, 34096), (29080, 29834)]