87829840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 241805952

約数和(自身を除く): 153976112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 71, 80, 94, 112, 140, 142, 188, 235, 280, 284, 329, 355, 376, 470, 497, 560, 568, 658, 710, 752, 940, 994, 1136, 1316, 1420, 1645, 1880, 1988, 2209, 2485, 2632, 2840, 3290, 3337, 3760, 3976, 4418, 4970, 5264, 5680, 6580, 6674, 7952, 8836, 9940, 11045, 13160, 13348, 15463, 16685, 17672, 19880, 22090, 23359, 26320, 26696, 30926, 33370, 35344, 39760, 44180, 46718, 53392, 61852, 66740, 77315, 88360, 93436, 116795, 123704, 133480, 154630, 156839, 176720, 186872, 233590, 247408, 266960, 309260, 313678, 373744, 467180, 618520, 627356, 784195, 934360, 1097873, 1237040, 1254712, 1568390, 1868720, 2195746, 2509424, 3136780, 4391492, 5489365, 6273560, 8782984, 10978730, 12547120, 17565968, 21957460, 43914920, 87829840]

約数ペア:

[(1, 87829840), (2, 43914920), (4, 21957460), (5, 17565968), (7, 12547120), (8, 10978730), (10, 8782984), (14, 6273560), (16, 5489365), (20, 4391492), (28, 3136780), (35, 2509424), (40, 2195746), (47, 1868720), (56, 1568390), (70, 1254712), (71, 1237040), (80, 1097873), (94, 934360), (112, 784195), (140, 627356), (142, 618520), (188, 467180), (235, 373744), (280, 313678), (284, 309260), (329, 266960), (355, 247408), (376, 233590), (470, 186872), (497, 176720), (560, 156839), (568, 154630), (658, 133480), (710, 123704), (752, 116795), (940, 93436), (994, 88360), (1136, 77315), (1316, 66740), (1420, 61852), (1645, 53392), (1880, 46718), (1988, 44180), (2209, 39760), (2485, 35344), (2632, 33370), (2840, 30926), (3290, 26696), (3337, 26320), (3760, 23359), (3976, 22090), (4418, 19880), (4970, 17672), (5264, 16685), (5680, 15463), (6580, 13348), (6674, 13160), (7952, 11045), (8836, 9940)]