69855280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 178631424

約数和(自身を除く): 108776144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 487, 652, 815, 880, 974, 1304, 1630, 1793, 1948, 2435, 2608, 3260, 3586, 3896, 4870, 5357, 6520, 7172, 7792, 8965, 9740, 10714, 13040, 14344, 17930, 19480, 21428, 26785, 28688, 35860, 38960, 42856, 53570, 71720, 79381, 85712, 107140, 143440, 158762, 214280, 317524, 396905, 428560, 635048, 793810, 873191, 1270096, 1587620, 1746382, 3175240, 3492764, 4365955, 6350480, 6985528, 8731910, 13971056, 17463820, 34927640, 69855280]

約数ペア:

[(1, 69855280), (2, 34927640), (4, 17463820), (5, 13971056), (8, 8731910), (10, 6985528), (11, 6350480), (16, 4365955), (20, 3492764), (22, 3175240), (40, 1746382), (44, 1587620), (55, 1270096), (80, 873191), (88, 793810), (110, 635048), (163, 428560), (176, 396905), (220, 317524), (326, 214280), (440, 158762), (487, 143440), (652, 107140), (815, 85712), (880, 79381), (974, 71720), (1304, 53570), (1630, 42856), (1793, 38960), (1948, 35860), (2435, 28688), (2608, 26785), (3260, 21428), (3586, 19480), (3896, 17930), (4870, 14344), (5357, 13040), (6520, 10714), (7172, 9740), (7792, 8965)]