6428240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 18415488

約数和(自身を除く): 11987248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 883, 910, 1040, 1456, 1766, 1820, 3532, 3640, 4415, 6181, 7064, 7280, 8830, 11479, 12362, 14128, 17660, 22958, 24724, 30905, 35320, 45916, 49448, 57395, 61810, 70640, 80353, 91832, 98896, 114790, 123620, 160706, 183664, 229580, 247240, 321412, 401765, 459160, 494480, 642824, 803530, 918320, 1285648, 1607060, 3214120, 6428240]

約数ペア:

[(1, 6428240), (2, 3214120), (4, 1607060), (5, 1285648), (7, 918320), (8, 803530), (10, 642824), (13, 494480), (14, 459160), (16, 401765), (20, 321412), (26, 247240), (28, 229580), (35, 183664), (40, 160706), (52, 123620), (56, 114790), (65, 98896), (70, 91832), (80, 80353), (91, 70640), (104, 61810), (112, 57395), (130, 49448), (140, 45916), (182, 35320), (208, 30905), (260, 24724), (280, 22958), (364, 17660), (455, 14128), (520, 12362), (560, 11479), (728, 8830), (883, 7280), (910, 7064), (1040, 6181), (1456, 4415), (1766, 3640), (1820, 3532)]