664872880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{27611}}^1$

素因数の和:27674

約数の個数: 80

約数和(自身を含む): 1807812864

約数和(自身を除く): 1142939984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 12040, 24080, 27611, 55222, 110444, 138055, 193277, 220888, 276110, 386554, 441776, 552220, 773108, 966385, 1104440, 1187273, 1546216, 1932770, 2208880, 2374546, 3092432, 3865540, 4749092, 5936365, 7731080, 8310911, 9498184, 11872730, 15462160, 16621822, 18996368, 23745460, 33243644, 41554555, 47490920, 66487288, 83109110, 94981840, 132974576, 166218220, 332436440, 664872880]

約数ペア:

[(1, 664872880), (2, 332436440), (4, 166218220), (5, 132974576), (7, 94981840), (8, 83109110), (10, 66487288), (14, 47490920), (16, 41554555), (20, 33243644), (28, 23745460), (35, 18996368), (40, 16621822), (43, 15462160), (56, 11872730), (70, 9498184), (80, 8310911), (86, 7731080), (112, 5936365), (140, 4749092), (172, 3865540), (215, 3092432), (280, 2374546), (301, 2208880), (344, 1932770), (430, 1546216), (560, 1187273), (602, 1104440), (688, 966385), (860, 773108), (1204, 552220), (1505, 441776), (1720, 386554), (2408, 276110), (3010, 220888), (3440, 193277), (4816, 138055), (6020, 110444), (12040, 55222), (24080, 27611)]