664756440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{325861}}^1$

素因数の和:325892

約数の個数: 64

約数和(自身を含む): 2111585760

約数和(自身を除く): 1446829320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 325861, 651722, 977583, 1303444, 1629305, 1955166, 2606888, 3258610, 3910332, 4887915, 5539637, 6517220, 7820664, 9775830, 11079274, 13034440, 16618911, 19551660, 22158548, 27698185, 33237822, 39103320, 44317096, 55396370, 66475644, 83094555, 110792740, 132951288, 166189110, 221585480, 332378220, 664756440]

約数ペア:

[(1, 664756440), (2, 332378220), (3, 221585480), (4, 166189110), (5, 132951288), (6, 110792740), (8, 83094555), (10, 66475644), (12, 55396370), (15, 44317096), (17, 39103320), (20, 33237822), (24, 27698185), (30, 22158548), (34, 19551660), (40, 16618911), (51, 13034440), (60, 11079274), (68, 9775830), (85, 7820664), (102, 6517220), (120, 5539637), (136, 4887915), (170, 3910332), (204, 3258610), (255, 2606888), (340, 1955166), (408, 1629305), (510, 1303444), (680, 977583), (1020, 651722), (2040, 325861)]