81209340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26539}}^1$

素因数の和:26571

約数の個数: 72

約数和(自身を含む): 260835120

約数和(自身を除く): 179625780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26539, 53078, 79617, 106156, 132695, 159234, 238851, 265390, 318468, 398085, 451163, 477702, 530780, 796170, 902326, 955404, 1194255, 1353489, 1592340, 1804652, 2255815, 2388510, 2706978, 4060467, 4511630, 4777020, 5413956, 6767445, 8120934, 9023260, 13534890, 16241868, 20302335, 27069780, 40604670, 81209340]

約数ペア:

[(1, 81209340), (2, 40604670), (3, 27069780), (4, 20302335), (5, 16241868), (6, 13534890), (9, 9023260), (10, 8120934), (12, 6767445), (15, 5413956), (17, 4777020), (18, 4511630), (20, 4060467), (30, 2706978), (34, 2388510), (36, 2255815), (45, 1804652), (51, 1592340), (60, 1353489), (68, 1194255), (85, 955404), (90, 902326), (102, 796170), (153, 530780), (170, 477702), (180, 451163), (204, 398085), (255, 318468), (306, 265390), (340, 238851), (510, 159234), (612, 132695), (765, 106156), (1020, 79617), (1530, 53078), (3060, 26539)]