2011207920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{5431}}^1$

素因数の和:6990

約数の個数: 80

約数和(自身を含む): 6239933952

約数和(自身を除く): 4228726032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1543, 3086, 4629, 5431, 6172, 7715, 9258, 10862, 12344, 15430, 16293, 18516, 21724, 23145, 24688, 27155, 30860, 32586, 37032, 43448, 46290, 54310, 61720, 65172, 74064, 81465, 86896, 92580, 108620, 123440, 130344, 162930, 185160, 217240, 260688, 325860, 370320, 434480, 651720, 1303440, 8380033, 16760066, 25140099, 33520132, 41900165, 50280198, 67040264, 83800330, 100560396, 125700495, 134080528, 167600660, 201120792, 251400990, 335201320, 402241584, 502801980, 670402640, 1005603960, 2011207920]

約数ペア:

[(1, 2011207920), (2, 1005603960), (3, 670402640), (4, 502801980), (5, 402241584), (6, 335201320), (8, 251400990), (10, 201120792), (12, 167600660), (15, 134080528), (16, 125700495), (20, 100560396), (24, 83800330), (30, 67040264), (40, 50280198), (48, 41900165), (60, 33520132), (80, 25140099), (120, 16760066), (240, 8380033), (1543, 1303440), (3086, 651720), (4629, 434480), (5431, 370320), (6172, 325860), (7715, 260688), (9258, 217240), (10862, 185160), (12344, 162930), (15430, 130344), (16293, 123440), (18516, 108620), (21724, 92580), (23145, 86896), (24688, 81465), (27155, 74064), (30860, 65172), (32586, 61720), (37032, 54310), (43448, 46290)]