15980455980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{318209}}^1$

素因数の和:318261

約数の個数: 120

約数和(自身を含む): 51748583040

約数和(自身を除く): 35768127060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 5022, 5580, 8370, 10044, 12555, 16740, 25110, 50220, 318209, 636418, 954627, 1272836, 1591045, 1909254, 2863881, 3182090, 3818508, 4773135, 5727762, 6364180, 8591643, 9546270, 9864479, 11455524, 14319405, 17183286, 19092540, 19728958, 25774929, 28638810, 29593437, 34366572, 39457916, 42958215, 49322395, 51549858, 57277620, 59186874, 85916430, 88780311, 98644790, 103099716, 118373748, 128874645, 147967185, 171832860, 177560622, 197289580, 257749290, 266340933, 295934370, 355121244, 443901555, 515498580, 532681866, 591868740, 799022799, 887803110, 1065363732, 1331704665, 1598045598, 1775606220, 2663409330, 3196091196, 3995113995, 5326818660, 7990227990, 15980455980]

約数ペア:

[(1, 15980455980), (2, 7990227990), (3, 5326818660), (4, 3995113995), (5, 3196091196), (6, 2663409330), (9, 1775606220), (10, 1598045598), (12, 1331704665), (15, 1065363732), (18, 887803110), (20, 799022799), (27, 591868740), (30, 532681866), (31, 515498580), (36, 443901555), (45, 355121244), (54, 295934370), (60, 266340933), (62, 257749290), (81, 197289580), (90, 177560622), (93, 171832860), (108, 147967185), (124, 128874645), (135, 118373748), (155, 103099716), (162, 98644790), (180, 88780311), (186, 85916430), (270, 59186874), (279, 57277620), (310, 51549858), (324, 49322395), (372, 42958215), (405, 39457916), (465, 34366572), (540, 29593437), (558, 28638810), (620, 25774929), (810, 19728958), (837, 19092540), (930, 17183286), (1116, 14319405), (1395, 11455524), (1620, 9864479), (1674, 9546270), (1860, 8591643), (2511, 6364180), (2790, 5727762), (3348, 4773135), (4185, 3818508), (5022, 3182090), (5580, 2863881), (8370, 1909254), (10044, 1591045), (12555, 1272836), (16740, 954627), (25110, 636418), (50220, 318209)]