2784780

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{191}}^1$

素因数の和:218

約数の個数: 84

約数和(自身を含む): 8813952

約数和(自身を除く): 6029172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 191, 243, 270, 324, 382, 405, 486, 540, 573, 729, 764, 810, 955, 972, 1146, 1215, 1458, 1620, 1719, 1910, 2292, 2430, 2865, 2916, 3438, 3645, 3820, 4860, 5157, 5730, 6876, 7290, 8595, 10314, 11460, 14580, 15471, 17190, 20628, 25785, 30942, 34380, 46413, 51570, 61884, 77355, 92826, 103140, 139239, 154710, 185652, 232065, 278478, 309420, 464130, 556956, 696195, 928260, 1392390, 2784780]

約数ペア:

[(1, 2784780), (2, 1392390), (3, 928260), (4, 696195), (5, 556956), (6, 464130), (9, 309420), (10, 278478), (12, 232065), (15, 185652), (18, 154710), (20, 139239), (27, 103140), (30, 92826), (36, 77355), (45, 61884), (54, 51570), (60, 46413), (81, 34380), (90, 30942), (108, 25785), (135, 20628), (162, 17190), (180, 15471), (191, 14580), (243, 11460), (270, 10314), (324, 8595), (382, 7290), (405, 6876), (486, 5730), (540, 5157), (573, 4860), (729, 3820), (764, 3645), (810, 3438), (955, 2916), (972, 2865), (1146, 2430), (1215, 2292), (1458, 1910), (1620, 1719)]