81284760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9817}}^1$

素因数の和:9857

約数の個数: 96

約数和(自身を含む): 275689440

約数和(自身を除く): 194404680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 9817, 19634, 29451, 39268, 49085, 58902, 78536, 88353, 98170, 117804, 147255, 176706, 196340, 225791, 235608, 294510, 353412, 392680, 441765, 451582, 589020, 677373, 706824, 883530, 903164, 1128955, 1178040, 1354746, 1767060, 1806328, 2032119, 2257910, 2709492, 3386865, 3534120, 4064238, 4515820, 5418984, 6773730, 8128476, 9031640, 10160595, 13547460, 16256952, 20321190, 27094920, 40642380, 81284760]

約数ペア:

[(1, 81284760), (2, 40642380), (3, 27094920), (4, 20321190), (5, 16256952), (6, 13547460), (8, 10160595), (9, 9031640), (10, 8128476), (12, 6773730), (15, 5418984), (18, 4515820), (20, 4064238), (23, 3534120), (24, 3386865), (30, 2709492), (36, 2257910), (40, 2032119), (45, 1806328), (46, 1767060), (60, 1354746), (69, 1178040), (72, 1128955), (90, 903164), (92, 883530), (115, 706824), (120, 677373), (138, 589020), (180, 451582), (184, 441765), (207, 392680), (230, 353412), (276, 294510), (345, 235608), (360, 225791), (414, 196340), (460, 176706), (552, 147255), (690, 117804), (828, 98170), (920, 88353), (1035, 78536), (1380, 58902), (1656, 49085), (2070, 39268), (2760, 29451), (4140, 19634), (8280, 9817)]