208382220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 668697120

約数和(自身を除く): 460314900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 243, 265, 270, 318, 324, 405, 477, 486, 530, 540, 636, 795, 809, 810, 954, 972, 1060, 1215, 1431, 1590, 1618, 1620, 1908, 2385, 2427, 2430, 2862, 3180, 3236, 4045, 4293, 4770, 4854, 4860, 5724, 7155, 7281, 8090, 8586, 9540, 9708, 12135, 12879, 14310, 14562, 16180, 17172, 21465, 21843, 24270, 25758, 28620, 29124, 36405, 42877, 42930, 43686, 48540, 51516, 64395, 65529, 72810, 85754, 85860, 87372, 109215, 128631, 128790, 131058, 145620, 171508, 196587, 214385, 218430, 257262, 257580, 262116, 327645, 385893, 393174, 428770, 436860, 514524, 643155, 655290, 771786, 786348, 857540, 982935, 1157679, 1286310, 1310580, 1543572, 1929465, 1965870, 2315358, 2572620, 3473037, 3858930, 3931740, 4630716, 5788395, 6946074, 7717860, 10419111, 11576790, 13892148, 17365185, 20838222, 23153580, 34730370, 41676444, 52095555, 69460740, 104191110, 208382220]

約数ペア:

[(1, 208382220), (2, 104191110), (3, 69460740), (4, 52095555), (5, 41676444), (6, 34730370), (9, 23153580), (10, 20838222), (12, 17365185), (15, 13892148), (18, 11576790), (20, 10419111), (27, 7717860), (30, 6946074), (36, 5788395), (45, 4630716), (53, 3931740), (54, 3858930), (60, 3473037), (81, 2572620), (90, 2315358), (106, 1965870), (108, 1929465), (135, 1543572), (159, 1310580), (162, 1286310), (180, 1157679), (212, 982935), (243, 857540), (265, 786348), (270, 771786), (318, 655290), (324, 643155), (405, 514524), (477, 436860), (486, 428770), (530, 393174), (540, 385893), (636, 327645), (795, 262116), (809, 257580), (810, 257262), (954, 218430), (972, 214385), (1060, 196587), (1215, 171508), (1431, 145620), (1590, 131058), (1618, 128790), (1620, 128631), (1908, 109215), (2385, 87372), (2427, 85860), (2430, 85754), (2862, 72810), (3180, 65529), (3236, 64395), (4045, 51516), (4293, 48540), (4770, 43686), (4854, 42930), (4860, 42877), (5724, 36405), (7155, 29124), (7281, 28620), (8090, 25758), (8586, 24270), (9540, 21843), (9708, 21465), (12135, 17172), (12879, 16180), (14310, 14562)]