85377880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4177}}^1$

素因数の和:4268

約数の個数: 64

約数和(自身を含む): 222603840

約数和(自身を除く): 137225960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 4177, 5110, 8354, 10220, 16708, 20440, 20885, 29239, 33416, 41770, 58478, 83540, 116956, 146195, 167080, 233912, 292390, 304921, 584780, 609842, 1169560, 1219684, 1524605, 2134447, 2439368, 3049210, 4268894, 6098420, 8537788, 10672235, 12196840, 17075576, 21344470, 42688940, 85377880]

約数ペア:

[(1, 85377880), (2, 42688940), (4, 21344470), (5, 17075576), (7, 12196840), (8, 10672235), (10, 8537788), (14, 6098420), (20, 4268894), (28, 3049210), (35, 2439368), (40, 2134447), (56, 1524605), (70, 1219684), (73, 1169560), (140, 609842), (146, 584780), (280, 304921), (292, 292390), (365, 233912), (511, 167080), (584, 146195), (730, 116956), (1022, 83540), (1460, 58478), (2044, 41770), (2555, 33416), (2920, 29239), (4088, 20885), (4177, 20440), (5110, 16708), (8354, 10220)]