80642800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 120

約数和(自身を含む): 224735616

約数和(自身を除く): 144092816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 83, 100, 112, 140, 166, 175, 200, 280, 332, 347, 350, 400, 415, 560, 581, 664, 694, 700, 830, 1162, 1328, 1388, 1400, 1660, 1735, 2075, 2324, 2429, 2776, 2800, 2905, 3320, 3470, 4150, 4648, 4858, 5552, 5810, 6640, 6940, 8300, 8675, 9296, 9716, 11620, 12145, 13880, 14525, 16600, 17350, 19432, 23240, 24290, 27760, 28801, 29050, 33200, 34700, 38864, 46480, 48580, 57602, 58100, 60725, 69400, 97160, 115204, 116200, 121450, 138800, 144005, 194320, 201607, 230408, 232400, 242900, 288010, 403214, 460816, 485800, 576020, 720025, 806428, 971600, 1008035, 1152040, 1440050, 1612856, 2016070, 2304080, 2880100, 3225712, 4032140, 5040175, 5760200, 8064280, 10080350, 11520400, 16128560, 20160700, 40321400, 80642800]

約数ペア:

[(1, 80642800), (2, 40321400), (4, 20160700), (5, 16128560), (7, 11520400), (8, 10080350), (10, 8064280), (14, 5760200), (16, 5040175), (20, 4032140), (25, 3225712), (28, 2880100), (35, 2304080), (40, 2016070), (50, 1612856), (56, 1440050), (70, 1152040), (80, 1008035), (83, 971600), (100, 806428), (112, 720025), (140, 576020), (166, 485800), (175, 460816), (200, 403214), (280, 288010), (332, 242900), (347, 232400), (350, 230408), (400, 201607), (415, 194320), (560, 144005), (581, 138800), (664, 121450), (694, 116200), (700, 115204), (830, 97160), (1162, 69400), (1328, 60725), (1388, 58100), (1400, 57602), (1660, 48580), (1735, 46480), (2075, 38864), (2324, 34700), (2429, 33200), (2776, 29050), (2800, 28801), (2905, 27760), (3320, 24290), (3470, 23240), (4150, 19432), (4648, 17350), (4858, 16600), (5552, 14525), (5810, 13880), (6640, 12145), (6940, 11620), (8300, 9716), (8675, 9296)]