157745840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2789}}^1$

素因数の和:2910

約数の個数: 80

約数和(自身を含む): 423455040

約数和(自身を除く): 265709200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2789, 2828, 3535, 4040, 5578, 5656, 7070, 8080, 11156, 11312, 13945, 14140, 19523, 22312, 27890, 28280, 39046, 44624, 55780, 56560, 78092, 97615, 111560, 156184, 195230, 223120, 281689, 312368, 390460, 563378, 780920, 1126756, 1408445, 1561840, 1971823, 2253512, 2816890, 3943646, 4507024, 5633780, 7887292, 9859115, 11267560, 15774584, 19718230, 22535120, 31549168, 39436460, 78872920, 157745840]

約数ペア:

[(1, 157745840), (2, 78872920), (4, 39436460), (5, 31549168), (7, 22535120), (8, 19718230), (10, 15774584), (14, 11267560), (16, 9859115), (20, 7887292), (28, 5633780), (35, 4507024), (40, 3943646), (56, 2816890), (70, 2253512), (80, 1971823), (101, 1561840), (112, 1408445), (140, 1126756), (202, 780920), (280, 563378), (404, 390460), (505, 312368), (560, 281689), (707, 223120), (808, 195230), (1010, 156184), (1414, 111560), (1616, 97615), (2020, 78092), (2789, 56560), (2828, 55780), (3535, 44624), (4040, 39046), (5578, 28280), (5656, 27890), (7070, 22312), (8080, 19523), (11156, 14140), (11312, 13945)]