15553601980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{243101}}^1$

素因数の和:243574

約数の個数: 48

約数和(自身を含む): 37410480576

約数和(自身を除く): 21856878596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1828, 2285, 3199, 4570, 6398, 9140, 12796, 15995, 31990, 63980, 243101, 486202, 972404, 1215505, 1701707, 2431010, 3403414, 4862020, 6806828, 8508535, 17017070, 34034140, 111097157, 222194314, 444388628, 555485785, 777680099, 1110971570, 1555360198, 2221943140, 3110720396, 3888400495, 7776800990, 15553601980]

約数ペア:

[(1, 15553601980), (2, 7776800990), (4, 3888400495), (5, 3110720396), (7, 2221943140), (10, 1555360198), (14, 1110971570), (20, 777680099), (28, 555485785), (35, 444388628), (70, 222194314), (140, 111097157), (457, 34034140), (914, 17017070), (1828, 8508535), (2285, 6806828), (3199, 4862020), (4570, 3403414), (6398, 2431010), (9140, 1701707), (12796, 1215505), (15995, 972404), (31990, 486202), (63980, 243101)]