21769560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6719}}^1$

素因数の和:6742

約数の個数: 80

約数和(自身を含む): 73180800

約数和(自身を除く): 51411240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6719, 13438, 20157, 26876, 33595, 40314, 53752, 60471, 67190, 80628, 100785, 120942, 134380, 161256, 181413, 201570, 241884, 268760, 302355, 362826, 403140, 483768, 544239, 604710, 725652, 806280, 907065, 1088478, 1209420, 1451304, 1814130, 2176956, 2418840, 2721195, 3628260, 4353912, 5442390, 7256520, 10884780, 21769560]

約数ペア:

[(1, 21769560), (2, 10884780), (3, 7256520), (4, 5442390), (5, 4353912), (6, 3628260), (8, 2721195), (9, 2418840), (10, 2176956), (12, 1814130), (15, 1451304), (18, 1209420), (20, 1088478), (24, 907065), (27, 806280), (30, 725652), (36, 604710), (40, 544239), (45, 483768), (54, 403140), (60, 362826), (72, 302355), (81, 268760), (90, 241884), (108, 201570), (120, 181413), (135, 161256), (162, 134380), (180, 120942), (216, 100785), (270, 80628), (324, 67190), (360, 60471), (405, 53752), (540, 40314), (648, 33595), (810, 26876), (1080, 20157), (1620, 13438), (3240, 6719)]