83158040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 140790760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 71, 89, 94, 140, 142, 178, 188, 235, 280, 284, 329, 355, 356, 376, 445, 470, 497, 568, 623, 658, 710, 712, 890, 940, 994, 1246, 1316, 1420, 1645, 1780, 1880, 1988, 2485, 2492, 2632, 2840, 3115, 3290, 3337, 3560, 3976, 4183, 4970, 4984, 6230, 6319, 6580, 6674, 8366, 9940, 12460, 12638, 13160, 13348, 16685, 16732, 19880, 20915, 23359, 24920, 25276, 26696, 29281, 31595, 33370, 33464, 41830, 44233, 46718, 50552, 58562, 63190, 66740, 83660, 88466, 93436, 116795, 117124, 126380, 133480, 146405, 167320, 176932, 186872, 221165, 233590, 234248, 252760, 292810, 296993, 353864, 442330, 467180, 585620, 593986, 884660, 934360, 1171240, 1187972, 1484965, 1769320, 2078951, 2375944, 2969930, 4157902, 5939860, 8315804, 10394755, 11879720, 16631608, 20789510, 41579020, 83158040]

約数ペア:

[(1, 83158040), (2, 41579020), (4, 20789510), (5, 16631608), (7, 11879720), (8, 10394755), (10, 8315804), (14, 5939860), (20, 4157902), (28, 2969930), (35, 2375944), (40, 2078951), (47, 1769320), (56, 1484965), (70, 1187972), (71, 1171240), (89, 934360), (94, 884660), (140, 593986), (142, 585620), (178, 467180), (188, 442330), (235, 353864), (280, 296993), (284, 292810), (329, 252760), (355, 234248), (356, 233590), (376, 221165), (445, 186872), (470, 176932), (497, 167320), (568, 146405), (623, 133480), (658, 126380), (710, 117124), (712, 116795), (890, 93436), (940, 88466), (994, 83660), (1246, 66740), (1316, 63190), (1420, 58562), (1645, 50552), (1780, 46718), (1880, 44233), (1988, 41830), (2485, 33464), (2492, 33370), (2632, 31595), (2840, 29281), (3115, 26696), (3290, 25276), (3337, 24920), (3560, 23359), (3976, 20915), (4183, 19880), (4970, 16732), (4984, 16685), (6230, 13348), (6319, 13160), (6580, 12638), (6674, 12460), (8366, 9940)]