67382680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 156854880

約数和(自身を除く): 89472200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 181, 205, 227, 328, 362, 410, 454, 724, 820, 905, 908, 1135, 1448, 1640, 1810, 1816, 2270, 3620, 4540, 7240, 7421, 9080, 9307, 14842, 18614, 29684, 37105, 37228, 41087, 46535, 59368, 74210, 74456, 82174, 93070, 148420, 164348, 186140, 205435, 296840, 328696, 372280, 410870, 821740, 1643480, 1684567, 3369134, 6738268, 8422835, 13476536, 16845670, 33691340, 67382680]

約数ペア:

[(1, 67382680), (2, 33691340), (4, 16845670), (5, 13476536), (8, 8422835), (10, 6738268), (20, 3369134), (40, 1684567), (41, 1643480), (82, 821740), (164, 410870), (181, 372280), (205, 328696), (227, 296840), (328, 205435), (362, 186140), (410, 164348), (454, 148420), (724, 93070), (820, 82174), (905, 74456), (908, 74210), (1135, 59368), (1448, 46535), (1640, 41087), (1810, 37228), (1816, 37105), (2270, 29684), (3620, 18614), (4540, 14842), (7240, 9307), (7421, 9080)]