220687320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262723}}^1$

素因数の和:262744

約数の個数: 64

約数和(自身を含む): 756645120

約数和(自身を除く): 535957800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262723, 525446, 788169, 1050892, 1313615, 1576338, 1839061, 2101784, 2627230, 3152676, 3678122, 3940845, 5254460, 5517183, 6305352, 7356244, 7881690, 9195305, 10508920, 11034366, 14712488, 15763380, 18390610, 22068732, 27585915, 31526760, 36781220, 44137464, 55171830, 73562440, 110343660, 220687320]

約数ペア:

[(1, 220687320), (2, 110343660), (3, 73562440), (4, 55171830), (5, 44137464), (6, 36781220), (7, 31526760), (8, 27585915), (10, 22068732), (12, 18390610), (14, 15763380), (15, 14712488), (20, 11034366), (21, 10508920), (24, 9195305), (28, 7881690), (30, 7356244), (35, 6305352), (40, 5517183), (42, 5254460), (56, 3940845), (60, 3678122), (70, 3152676), (84, 2627230), (105, 2101784), (120, 1839061), (140, 1576338), (168, 1313615), (210, 1050892), (280, 788169), (420, 525446), (840, 262723)]