201713680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15661}}^1$

素因数の和:15704

約数の個数: 80

約数和(自身を含む): 559321344

約数和(自身を除く): 357607664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 15661, 31322, 62644, 78305, 109627, 125288, 156610, 219254, 250576, 313220, 360203, 438508, 548135, 626440, 720406, 877016, 1096270, 1252880, 1440812, 1754032, 1801015, 2192540, 2521421, 2881624, 3602030, 4385080, 5042842, 5763248, 7204060, 8770160, 10085684, 12607105, 14408120, 20171368, 25214210, 28816240, 40342736, 50428420, 100856840, 201713680]

約数ペア:

[(1, 201713680), (2, 100856840), (4, 50428420), (5, 40342736), (7, 28816240), (8, 25214210), (10, 20171368), (14, 14408120), (16, 12607105), (20, 10085684), (23, 8770160), (28, 7204060), (35, 5763248), (40, 5042842), (46, 4385080), (56, 3602030), (70, 2881624), (80, 2521421), (92, 2192540), (112, 1801015), (115, 1754032), (140, 1440812), (161, 1252880), (184, 1096270), (230, 877016), (280, 720406), (322, 626440), (368, 548135), (460, 438508), (560, 360203), (644, 313220), (805, 250576), (920, 219254), (1288, 156610), (1610, 125288), (1840, 109627), (2576, 78305), (3220, 62644), (6440, 31322), (12880, 15661)]