81327528

素因数分解:

$2^3\times 3^2\times {\mathrm{719}}^1\times {\mathrm{1571}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 220708800

約数和(自身を除く): 139381272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 719, 1438, 1571, 2157, 2876, 3142, 4314, 4713, 5752, 6284, 6471, 8628, 9426, 12568, 12942, 14139, 17256, 18852, 25884, 28278, 37704, 51768, 56556, 113112, 1129549, 2259098, 3388647, 4518196, 6777294, 9036392, 10165941, 13554588, 20331882, 27109176, 40663764, 81327528]

約数ペア:

[(1, 81327528), (2, 40663764), (3, 27109176), (4, 20331882), (6, 13554588), (8, 10165941), (9, 9036392), (12, 6777294), (18, 4518196), (24, 3388647), (36, 2259098), (72, 1129549), (719, 113112), (1438, 56556), (1571, 51768), (2157, 37704), (2876, 28278), (3142, 25884), (4314, 18852), (4713, 17256), (5752, 14139), (6284, 12942), (6471, 12568), (8628, 9426)]