81468080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1686

約数の個数: 80

約数和(自身を含む): 206102880

約数和(自身を除く): 124634800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 1258, 1360, 1480, 1619, 2516, 2960, 3145, 3238, 5032, 6290, 6476, 8095, 10064, 12580, 12952, 16190, 25160, 25904, 27523, 32380, 50320, 55046, 59903, 64760, 110092, 119806, 129520, 137615, 220184, 239612, 275230, 299515, 440368, 479224, 550460, 599030, 958448, 1018351, 1100920, 1198060, 2036702, 2201840, 2396120, 4073404, 4792240, 5091755, 8146808, 10183510, 16293616, 20367020, 40734040, 81468080]

約数ペア:

[(1, 81468080), (2, 40734040), (4, 20367020), (5, 16293616), (8, 10183510), (10, 8146808), (16, 5091755), (17, 4792240), (20, 4073404), (34, 2396120), (37, 2201840), (40, 2036702), (68, 1198060), (74, 1100920), (80, 1018351), (85, 958448), (136, 599030), (148, 550460), (170, 479224), (185, 440368), (272, 299515), (296, 275230), (340, 239612), (370, 220184), (592, 137615), (629, 129520), (680, 119806), (740, 110092), (1258, 64760), (1360, 59903), (1480, 55046), (1619, 50320), (2516, 32380), (2960, 27523), (3145, 25904), (3238, 25160), (5032, 16190), (6290, 12952), (6476, 12580), (8095, 10064)]