178839440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:864

約数の個数: 80

約数和(自身を含む): 449971200

約数和(自身を除く): 271131760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 359, 479, 520, 718, 958, 1040, 1436, 1795, 1916, 2395, 2872, 3590, 3832, 4667, 4790, 5744, 6227, 7180, 7664, 9334, 9580, 12454, 14360, 18668, 19160, 23335, 24908, 28720, 31135, 37336, 38320, 46670, 49816, 62270, 74672, 93340, 99632, 124540, 171961, 186680, 249080, 343922, 373360, 498160, 687844, 859805, 1375688, 1719610, 2235493, 2751376, 3439220, 4470986, 6878440, 8941972, 11177465, 13756880, 17883944, 22354930, 35767888, 44709860, 89419720, 178839440]

約数ペア:

[(1, 178839440), (2, 89419720), (4, 44709860), (5, 35767888), (8, 22354930), (10, 17883944), (13, 13756880), (16, 11177465), (20, 8941972), (26, 6878440), (40, 4470986), (52, 3439220), (65, 2751376), (80, 2235493), (104, 1719610), (130, 1375688), (208, 859805), (260, 687844), (359, 498160), (479, 373360), (520, 343922), (718, 249080), (958, 186680), (1040, 171961), (1436, 124540), (1795, 99632), (1916, 93340), (2395, 74672), (2872, 62270), (3590, 49816), (3832, 46670), (4667, 38320), (4790, 37336), (5744, 31135), (6227, 28720), (7180, 24908), (7664, 23335), (9334, 19160), (9580, 18668), (12454, 14360)]