81474876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2293}}^1$

素因数の和:2360

約数の個数: 96

約数和(自身を含む): 246650880

約数和(自身を除く): 165176004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 564, 658, 756, 846, 987, 1269, 1316, 1692, 1974, 2293, 2538, 2961, 3948, 4586, 5076, 5922, 6879, 8883, 9172, 11844, 13758, 16051, 17766, 20637, 27516, 32102, 35532, 41274, 48153, 61911, 64204, 82548, 96306, 107771, 123822, 144459, 192612, 215542, 247644, 288918, 323313, 431084, 433377, 577836, 646626, 754397, 866754, 969939, 1293252, 1508794, 1733508, 1939878, 2263191, 2909817, 3017588, 3879756, 4526382, 5819634, 6789573, 9052764, 11639268, 13579146, 20368719, 27158292, 40737438, 81474876]

約数ペア:

[(1, 81474876), (2, 40737438), (3, 27158292), (4, 20368719), (6, 13579146), (7, 11639268), (9, 9052764), (12, 6789573), (14, 5819634), (18, 4526382), (21, 3879756), (27, 3017588), (28, 2909817), (36, 2263191), (42, 1939878), (47, 1733508), (54, 1508794), (63, 1293252), (84, 969939), (94, 866754), (108, 754397), (126, 646626), (141, 577836), (188, 433377), (189, 431084), (252, 323313), (282, 288918), (329, 247644), (378, 215542), (423, 192612), (564, 144459), (658, 123822), (756, 107771), (846, 96306), (987, 82548), (1269, 64204), (1316, 61911), (1692, 48153), (1974, 41274), (2293, 35532), (2538, 32102), (2961, 27516), (3948, 20637), (4586, 17766), (5076, 16051), (5922, 13758), (6879, 11844), (8883, 9172)]