81348792

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 249523200

約数和(自身を除く): 168174408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 37, 42, 46, 56, 69, 74, 84, 92, 111, 138, 148, 161, 168, 184, 222, 259, 276, 296, 322, 444, 483, 518, 552, 569, 644, 777, 851, 888, 966, 1036, 1138, 1288, 1554, 1702, 1707, 1932, 2072, 2276, 2553, 3108, 3404, 3414, 3864, 3983, 4552, 5106, 5957, 6216, 6808, 6828, 7966, 10212, 11914, 11949, 13087, 13656, 15932, 17871, 20424, 21053, 23828, 23898, 26174, 31864, 35742, 39261, 42106, 47656, 47796, 52348, 63159, 71484, 78522, 84212, 91609, 95592, 104696, 126318, 142968, 147371, 157044, 168424, 183218, 252636, 274827, 294742, 314088, 366436, 442113, 484219, 505272, 549654, 589484, 732872, 884226, 968438, 1099308, 1178968, 1452657, 1768452, 1936876, 2198616, 2905314, 3389533, 3536904, 3873752, 5810628, 6779066, 10168599, 11621256, 13558132, 20337198, 27116264, 40674396, 81348792]

約数ペア:

[(1, 81348792), (2, 40674396), (3, 27116264), (4, 20337198), (6, 13558132), (7, 11621256), (8, 10168599), (12, 6779066), (14, 5810628), (21, 3873752), (23, 3536904), (24, 3389533), (28, 2905314), (37, 2198616), (42, 1936876), (46, 1768452), (56, 1452657), (69, 1178968), (74, 1099308), (84, 968438), (92, 884226), (111, 732872), (138, 589484), (148, 549654), (161, 505272), (168, 484219), (184, 442113), (222, 366436), (259, 314088), (276, 294742), (296, 274827), (322, 252636), (444, 183218), (483, 168424), (518, 157044), (552, 147371), (569, 142968), (644, 126318), (777, 104696), (851, 95592), (888, 91609), (966, 84212), (1036, 78522), (1138, 71484), (1288, 63159), (1554, 52348), (1702, 47796), (1707, 47656), (1932, 42106), (2072, 39261), (2276, 35742), (2553, 31864), (3108, 26174), (3404, 23898), (3414, 23828), (3864, 21053), (3983, 20424), (4552, 17871), (5106, 15932), (5957, 13656), (6216, 13087), (6808, 11949), (6828, 11914), (7966, 10212)]