61553920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2571

約数の個数: 72

約数和(自身を含む): 155262240

約数和(自身を除く): 93708320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 2531, 3040, 4864, 5062, 6080, 10124, 12160, 12655, 20248, 24320, 25310, 40496, 48089, 50620, 80992, 96178, 101240, 161984, 192356, 202480, 240445, 323968, 384712, 404960, 480890, 647936, 769424, 809920, 961780, 1538848, 1619840, 1923560, 3077696, 3239680, 3847120, 6155392, 7694240, 12310784, 15388480, 30776960, 61553920]

約数ペア:

[(1, 61553920), (2, 30776960), (4, 15388480), (5, 12310784), (8, 7694240), (10, 6155392), (16, 3847120), (19, 3239680), (20, 3077696), (32, 1923560), (38, 1619840), (40, 1538848), (64, 961780), (76, 809920), (80, 769424), (95, 647936), (128, 480890), (152, 404960), (160, 384712), (190, 323968), (256, 240445), (304, 202480), (320, 192356), (380, 161984), (608, 101240), (640, 96178), (760, 80992), (1216, 50620), (1280, 48089), (1520, 40496), (2432, 25310), (2531, 24320), (3040, 20248), (4864, 12655), (5062, 12160), (6080, 10124)]