1728821440

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{60703}}^1$

素因数の和:60809

約数の個数: 56

約数和(自身を含む): 4163080320

約数和(自身を除く): 2434258880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 14240, 28480, 60703, 121406, 242812, 303515, 485624, 607030, 971248, 1214060, 1942496, 2428120, 3884992, 4856240, 5402567, 9712480, 10805134, 19424960, 21610268, 27012835, 43220536, 54025670, 86441072, 108051340, 172882144, 216102680, 345764288, 432205360, 864410720, 1728821440]

約数ペア:

[(1, 1728821440), (2, 864410720), (4, 432205360), (5, 345764288), (8, 216102680), (10, 172882144), (16, 108051340), (20, 86441072), (32, 54025670), (40, 43220536), (64, 27012835), (80, 21610268), (89, 19424960), (160, 10805134), (178, 9712480), (320, 5402567), (356, 4856240), (445, 3884992), (712, 2428120), (890, 1942496), (1424, 1214060), (1780, 971248), (2848, 607030), (3560, 485624), (5696, 303515), (7120, 242812), (14240, 121406), (28480, 60703)]