81506412

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:589

約数の個数: 120

約数和(自身を含む): 236116496

約数和(自身を除く): 154610084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 81, 108, 111, 117, 148, 156, 162, 222, 234, 324, 333, 351, 444, 468, 481, 523, 666, 702, 962, 999, 1046, 1053, 1332, 1404, 1443, 1569, 1924, 1998, 2092, 2106, 2886, 2997, 3138, 3996, 4212, 4329, 4707, 5772, 5994, 6276, 6799, 8658, 9414, 11988, 12987, 13598, 14121, 17316, 18828, 19351, 20397, 25974, 27196, 28242, 38702, 38961, 40794, 42363, 51948, 56484, 58053, 61191, 77404, 77922, 81588, 84726, 116106, 122382, 155844, 169452, 174159, 183573, 232212, 244764, 251563, 348318, 367146, 503126, 522477, 550719, 696636, 734292, 754689, 1006252, 1044954, 1101438, 1509378, 1567431, 2089908, 2202876, 2264067, 3018756, 3134862, 4528134, 6269724, 6792201, 9056268, 13584402, 20376603, 27168804, 40753206, 81506412]

約数ペア:

[(1, 81506412), (2, 40753206), (3, 27168804), (4, 20376603), (6, 13584402), (9, 9056268), (12, 6792201), (13, 6269724), (18, 4528134), (26, 3134862), (27, 3018756), (36, 2264067), (37, 2202876), (39, 2089908), (52, 1567431), (54, 1509378), (74, 1101438), (78, 1044954), (81, 1006252), (108, 754689), (111, 734292), (117, 696636), (148, 550719), (156, 522477), (162, 503126), (222, 367146), (234, 348318), (324, 251563), (333, 244764), (351, 232212), (444, 183573), (468, 174159), (481, 169452), (523, 155844), (666, 122382), (702, 116106), (962, 84726), (999, 81588), (1046, 77922), (1053, 77404), (1332, 61191), (1404, 58053), (1443, 56484), (1569, 51948), (1924, 42363), (1998, 40794), (2092, 38961), (2106, 38702), (2886, 28242), (2997, 27196), (3138, 25974), (3996, 20397), (4212, 19351), (4329, 18828), (4707, 17316), (5772, 14121), (5994, 13598), (6276, 12987), (6799, 11988), (8658, 9414)]