128758624

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 270254880

約数和(自身を除く): 141496256

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 79, 106, 124, 158, 212, 248, 316, 424, 496, 632, 848, 961, 992, 1264, 1643, 1696, 1922, 2449, 2528, 3286, 3844, 4187, 4898, 6572, 7688, 8374, 9796, 13144, 15376, 16748, 19592, 26288, 30752, 33496, 39184, 50933, 52576, 66992, 75919, 78368, 101866, 129797, 133984, 151838, 203732, 259594, 303676, 407464, 519188, 607352, 814928, 1038376, 1214704, 1629856, 2076752, 2429408, 4023707, 4153504, 8047414, 16094828, 32189656, 64379312, 128758624]

約数ペア:

[(1, 128758624), (2, 64379312), (4, 32189656), (8, 16094828), (16, 8047414), (31, 4153504), (32, 4023707), (53, 2429408), (62, 2076752), (79, 1629856), (106, 1214704), (124, 1038376), (158, 814928), (212, 607352), (248, 519188), (316, 407464), (424, 303676), (496, 259594), (632, 203732), (848, 151838), (961, 133984), (992, 129797), (1264, 101866), (1643, 78368), (1696, 75919), (1922, 66992), (2449, 52576), (2528, 50933), (3286, 39184), (3844, 33496), (4187, 30752), (4898, 26288), (6572, 19592), (7688, 16748), (8374, 15376), (9796, 13144)]