215554920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{5237}}^1$

素因数の和:5272

約数の個数: 128

約数和(自身を含む): 754272000

約数和(自身を除く): 538717080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5237, 5880, 6860, 8232, 10290, 10474, 13720, 15711, 20580, 20948, 26185, 31422, 36659, 41160, 41896, 52370, 62844, 73318, 78555, 104740, 109977, 125688, 146636, 157110, 183295, 209480, 219954, 256613, 293272, 314220, 366590, 439908, 513226, 549885, 628440, 733180, 769839, 879816, 1026452, 1099770, 1283065, 1466360, 1539678, 1796291, 2052904, 2199540, 2566130, 3079356, 3592582, 3849195, 4399080, 5132260, 5388873, 6158712, 7185164, 7698390, 8981455, 10264520, 10777746, 14370328, 15396780, 17962910, 21555492, 26944365, 30793560, 35925820, 43110984, 53888730, 71851640, 107777460, 215554920]

約数ペア:

[(1, 215554920), (2, 107777460), (3, 71851640), (4, 53888730), (5, 43110984), (6, 35925820), (7, 30793560), (8, 26944365), (10, 21555492), (12, 17962910), (14, 15396780), (15, 14370328), (20, 10777746), (21, 10264520), (24, 8981455), (28, 7698390), (30, 7185164), (35, 6158712), (40, 5388873), (42, 5132260), (49, 4399080), (56, 3849195), (60, 3592582), (70, 3079356), (84, 2566130), (98, 2199540), (105, 2052904), (120, 1796291), (140, 1539678), (147, 1466360), (168, 1283065), (196, 1099770), (210, 1026452), (245, 879816), (280, 769839), (294, 733180), (343, 628440), (392, 549885), (420, 513226), (490, 439908), (588, 366590), (686, 314220), (735, 293272), (840, 256613), (980, 219954), (1029, 209480), (1176, 183295), (1372, 157110), (1470, 146636), (1715, 125688), (1960, 109977), (2058, 104740), (2744, 78555), (2940, 73318), (3430, 62844), (4116, 52370), (5145, 41896), (5237, 41160), (5880, 36659), (6860, 31422), (8232, 26185), (10290, 20948), (10474, 20580), (13720, 15711)]