122356520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21426

約数の個数: 64

約数和(自身を含む): 323447040

約数和(自身を除く): 201090520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 21391, 42782, 85564, 106955, 171128, 213910, 235301, 278083, 427820, 470602, 556166, 855640, 941204, 1112332, 1176505, 1390415, 1882408, 2224664, 2353010, 2780830, 3058913, 4706020, 5561660, 6117826, 9412040, 11123320, 12235652, 15294565, 24471304, 30589130, 61178260, 122356520]

約数ペア:

[(1, 122356520), (2, 61178260), (4, 30589130), (5, 24471304), (8, 15294565), (10, 12235652), (11, 11123320), (13, 9412040), (20, 6117826), (22, 5561660), (26, 4706020), (40, 3058913), (44, 2780830), (52, 2353010), (55, 2224664), (65, 1882408), (88, 1390415), (104, 1176505), (110, 1112332), (130, 941204), (143, 855640), (220, 556166), (260, 470602), (286, 427820), (440, 278083), (520, 235301), (572, 213910), (715, 171128), (1144, 106955), (1430, 85564), (2860, 42782), (5720, 21391)]