181304368

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 420290560

約数和(自身を除く): 238986192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 79, 112, 124, 158, 217, 248, 316, 434, 496, 553, 632, 661, 868, 1106, 1264, 1322, 1736, 2212, 2449, 2644, 3472, 4424, 4627, 4898, 5288, 8848, 9254, 9796, 10576, 17143, 18508, 19592, 20491, 34286, 37016, 39184, 40982, 52219, 68572, 74032, 81964, 104438, 137144, 143437, 163928, 208876, 274288, 286874, 327856, 365533, 417752, 573748, 731066, 835504, 1147496, 1462132, 1618789, 2294992, 2924264, 3237578, 5848528, 6475156, 11331523, 12950312, 22663046, 25900624, 45326092, 90652184, 181304368]

約数ペア:

[(1, 181304368), (2, 90652184), (4, 45326092), (7, 25900624), (8, 22663046), (14, 12950312), (16, 11331523), (28, 6475156), (31, 5848528), (56, 3237578), (62, 2924264), (79, 2294992), (112, 1618789), (124, 1462132), (158, 1147496), (217, 835504), (248, 731066), (316, 573748), (434, 417752), (496, 365533), (553, 327856), (632, 286874), (661, 274288), (868, 208876), (1106, 163928), (1264, 143437), (1322, 137144), (1736, 104438), (2212, 81964), (2449, 74032), (2644, 68572), (3472, 52219), (4424, 40982), (4627, 39184), (4898, 37016), (5288, 34286), (8848, 20491), (9254, 19592), (9796, 18508), (10576, 17143)]