72233480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{907}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 178476480

約数和(自身を除く): 106243000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 905, 907, 1448, 1810, 1814, 1991, 3620, 3628, 3982, 4535, 7240, 7256, 7964, 9070, 9955, 9977, 15928, 18140, 19910, 19954, 36280, 39820, 39908, 49885, 79640, 79816, 99770, 164167, 199540, 328334, 399080, 656668, 820835, 1313336, 1641670, 1805837, 3283340, 3611674, 6566680, 7223348, 9029185, 14446696, 18058370, 36116740, 72233480]

約数ペア:

[(1, 72233480), (2, 36116740), (4, 18058370), (5, 14446696), (8, 9029185), (10, 7223348), (11, 6566680), (20, 3611674), (22, 3283340), (40, 1805837), (44, 1641670), (55, 1313336), (88, 820835), (110, 656668), (181, 399080), (220, 328334), (362, 199540), (440, 164167), (724, 99770), (905, 79816), (907, 79640), (1448, 49885), (1810, 39908), (1814, 39820), (1991, 36280), (3620, 19954), (3628, 19910), (3982, 18140), (4535, 15928), (7240, 9977), (7256, 9955), (7964, 9070)]