82857880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1327}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 214179840

約数和(自身を除く): 131321960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1327, 1561, 1784, 2230, 2654, 3122, 4460, 5308, 6244, 6635, 7805, 8920, 9289, 10616, 12488, 13270, 15610, 18578, 26540, 31220, 37156, 46445, 53080, 62440, 74312, 92890, 185780, 295921, 371560, 591842, 1183684, 1479605, 2071447, 2367368, 2959210, 4142894, 5918420, 8285788, 10357235, 11836840, 16571576, 20714470, 41428940, 82857880]

約数ペア:

[(1, 82857880), (2, 41428940), (4, 20714470), (5, 16571576), (7, 11836840), (8, 10357235), (10, 8285788), (14, 5918420), (20, 4142894), (28, 2959210), (35, 2367368), (40, 2071447), (56, 1479605), (70, 1183684), (140, 591842), (223, 371560), (280, 295921), (446, 185780), (892, 92890), (1115, 74312), (1327, 62440), (1561, 53080), (1784, 46445), (2230, 37156), (2654, 31220), (3122, 26540), (4460, 18578), (5308, 15610), (6244, 13270), (6635, 12488), (7805, 10616), (8920, 9289)]