218570520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{709}}^1$

素因数の和:1097

約数の個数: 128

約数和(自身を含む): 752486400

約数和(自身を除く): 533915880

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, 367, 420, 709, 734, 840, 1101, 1418, 1468, 1835, 2127, 2202, 2569, 2836, 2936, 3545, 3670, 4254, 4404, 4963, 5138, 5505, 5672, 7090, 7340, 7707, 8508, 8808, 9926, 10276, 10635, 11010, 12845, 14180, 14680, 14889, 15414, 17016, 19852, 20552, 21270, 22020, 24815, 25690, 28360, 29778, 30828, 38535, 39704, 42540, 44040, 49630, 51380, 59556, 61656, 74445, 77070, 85080, 99260, 102760, 119112, 148890, 154140, 198520, 260203, 297780, 308280, 520406, 595560, 780609, 1040812, 1301015, 1561218, 1821421, 2081624, 2602030, 3122436, 3642842, 3903045, 5204060, 5464263, 6244872, 7285684, 7806090, 9107105, 10408120, 10928526, 14571368, 15612180, 18214210, 21857052, 27321315, 31224360, 36428420, 43714104, 54642630, 72856840, 109285260, 218570520]

約数ペア:

[(1, 218570520), (2, 109285260), (3, 72856840), (4, 54642630), (5, 43714104), (6, 36428420), (7, 31224360), (8, 27321315), (10, 21857052), (12, 18214210), (14, 15612180), (15, 14571368), (20, 10928526), (21, 10408120), (24, 9107105), (28, 7806090), (30, 7285684), (35, 6244872), (40, 5464263), (42, 5204060), (56, 3903045), (60, 3642842), (70, 3122436), (84, 2602030), (105, 2081624), (120, 1821421), (140, 1561218), (168, 1301015), (210, 1040812), (280, 780609), (367, 595560), (420, 520406), (709, 308280), (734, 297780), (840, 260203), (1101, 198520), (1418, 154140), (1468, 148890), (1835, 119112), (2127, 102760), (2202, 99260), (2569, 85080), (2836, 77070), (2936, 74445), (3545, 61656), (3670, 59556), (4254, 51380), (4404, 49630), (4963, 44040), (5138, 42540), (5505, 39704), (5672, 38535), (7090, 30828), (7340, 29778), (7707, 28360), (8508, 25690), (8808, 24815), (9926, 22020), (10276, 21270), (10635, 20552), (11010, 19852), (12845, 17016), (14180, 15414), (14680, 14889)]