81508716

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 213857280

約数和(自身を除く): 132348564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 67, 94, 134, 141, 188, 201, 268, 282, 402, 423, 564, 603, 719, 804, 846, 1206, 1438, 1692, 2157, 2412, 2876, 3149, 4314, 6298, 6471, 8628, 9447, 12596, 12942, 18894, 25884, 28341, 33793, 37788, 48173, 56682, 67586, 96346, 101379, 113364, 135172, 144519, 192692, 202758, 289038, 304137, 405516, 433557, 578076, 608274, 867114, 1216548, 1734228, 2264131, 4528262, 6792393, 9056524, 13584786, 20377179, 27169572, 40754358, 81508716]

約数ペア:

[(1, 81508716), (2, 40754358), (3, 27169572), (4, 20377179), (6, 13584786), (9, 9056524), (12, 6792393), (18, 4528262), (36, 2264131), (47, 1734228), (67, 1216548), (94, 867114), (134, 608274), (141, 578076), (188, 433557), (201, 405516), (268, 304137), (282, 289038), (402, 202758), (423, 192692), (564, 144519), (603, 135172), (719, 113364), (804, 101379), (846, 96346), (1206, 67586), (1438, 56682), (1692, 48173), (2157, 37788), (2412, 33793), (2876, 28341), (3149, 25884), (4314, 18894), (6298, 12942), (6471, 12596), (8628, 9447)]