80983440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:977

約数の個数: 120

約数和(自身を含む): 274288248

約数和(自身を除く): 193304808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 137, 144, 180, 240, 274, 360, 411, 548, 685, 720, 821, 822, 1096, 1233, 1370, 1642, 1644, 2055, 2192, 2463, 2466, 2740, 3284, 3288, 4105, 4110, 4926, 4932, 5480, 6165, 6568, 6576, 7389, 8210, 8220, 9852, 9864, 10960, 12315, 12330, 13136, 14778, 16420, 16440, 19704, 19728, 24630, 24660, 29556, 32840, 32880, 36945, 39408, 49260, 49320, 59112, 65680, 73890, 98520, 98640, 112477, 118224, 147780, 197040, 224954, 295560, 337431, 449908, 562385, 591120, 674862, 899816, 1012293, 1124770, 1349724, 1687155, 1799632, 2024586, 2249540, 2699448, 3374310, 4049172, 4499080, 5061465, 5398896, 6748620, 8098344, 8998160, 10122930, 13497240, 16196688, 20245860, 26994480, 40491720, 80983440]

約数ペア:

[(1, 80983440), (2, 40491720), (3, 26994480), (4, 20245860), (5, 16196688), (6, 13497240), (8, 10122930), (9, 8998160), (10, 8098344), (12, 6748620), (15, 5398896), (16, 5061465), (18, 4499080), (20, 4049172), (24, 3374310), (30, 2699448), (36, 2249540), (40, 2024586), (45, 1799632), (48, 1687155), (60, 1349724), (72, 1124770), (80, 1012293), (90, 899816), (120, 674862), (137, 591120), (144, 562385), (180, 449908), (240, 337431), (274, 295560), (360, 224954), (411, 197040), (548, 147780), (685, 118224), (720, 112477), (821, 98640), (822, 98520), (1096, 73890), (1233, 65680), (1370, 59112), (1642, 49320), (1644, 49260), (2055, 39408), (2192, 36945), (2463, 32880), (2466, 32840), (2740, 29556), (3284, 24660), (3288, 24630), (4105, 19728), (4110, 19704), (4926, 16440), (4932, 16420), (5480, 14778), (6165, 13136), (6568, 12330), (6576, 12315), (7389, 10960), (8210, 9864), (8220, 9852)]