71311760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 108676720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 359, 382, 520, 718, 764, 955, 1040, 1436, 1528, 1795, 1910, 2483, 2872, 3056, 3590, 3820, 4667, 4966, 5744, 7180, 7640, 9334, 9932, 12415, 14360, 15280, 18668, 19864, 23335, 24830, 28720, 37336, 39728, 46670, 49660, 68569, 74672, 93340, 99320, 137138, 186680, 198640, 274276, 342845, 373360, 548552, 685690, 891397, 1097104, 1371380, 1782794, 2742760, 3565588, 4456985, 5485520, 7131176, 8913970, 14262352, 17827940, 35655880, 71311760]

約数ペア:

[(1, 71311760), (2, 35655880), (4, 17827940), (5, 14262352), (8, 8913970), (10, 7131176), (13, 5485520), (16, 4456985), (20, 3565588), (26, 2742760), (40, 1782794), (52, 1371380), (65, 1097104), (80, 891397), (104, 685690), (130, 548552), (191, 373360), (208, 342845), (260, 274276), (359, 198640), (382, 186680), (520, 137138), (718, 99320), (764, 93340), (955, 74672), (1040, 68569), (1436, 49660), (1528, 46670), (1795, 39728), (1910, 37336), (2483, 28720), (2872, 24830), (3056, 23335), (3590, 19864), (3820, 18668), (4667, 15280), (4966, 14360), (5744, 12415), (7180, 9932), (7640, 9334)]