8064280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 21047040

約数和(自身を除く): 12982760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 347, 415, 581, 664, 694, 830, 1162, 1388, 1660, 1735, 2324, 2429, 2776, 2905, 3320, 3470, 4648, 4858, 5810, 6940, 9716, 11620, 12145, 13880, 19432, 23240, 24290, 28801, 48580, 57602, 97160, 115204, 144005, 201607, 230408, 288010, 403214, 576020, 806428, 1008035, 1152040, 1612856, 2016070, 4032140, 8064280]

約数ペア:

[(1, 8064280), (2, 4032140), (4, 2016070), (5, 1612856), (7, 1152040), (8, 1008035), (10, 806428), (14, 576020), (20, 403214), (28, 288010), (35, 230408), (40, 201607), (56, 144005), (70, 115204), (83, 97160), (140, 57602), (166, 48580), (280, 28801), (332, 24290), (347, 23240), (415, 19432), (581, 13880), (664, 12145), (694, 11620), (830, 9716), (1162, 6940), (1388, 5810), (1660, 4858), (1735, 4648), (2324, 3470), (2429, 3320), (2776, 2905)]