85120020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27817}}^1$

素因数の和:27849

約数の個数: 72

約数和(自身を含む): 273395304

約数和(自身を除く): 188275284

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, 27817, 55634, 83451, 111268, 139085, 166902, 250353, 278170, 333804, 417255, 472889, 500706, 556340, 834510, 945778, 1001412, 1251765, 1418667, 1669020, 1891556, 2364445, 2503530, 2837334, 4256001, 4728890, 5007060, 5674668, 7093335, 8512002, 9457780, 14186670, 17024004, 21280005, 28373340, 42560010, 85120020]

約数ペア:

[(1, 85120020), (2, 42560010), (3, 28373340), (4, 21280005), (5, 17024004), (6, 14186670), (9, 9457780), (10, 8512002), (12, 7093335), (15, 5674668), (17, 5007060), (18, 4728890), (20, 4256001), (30, 2837334), (34, 2503530), (36, 2364445), (45, 1891556), (51, 1669020), (60, 1418667), (68, 1251765), (85, 1001412), (90, 945778), (102, 834510), (153, 556340), (170, 500706), (180, 472889), (204, 417255), (255, 333804), (306, 278170), (340, 250353), (510, 166902), (612, 139085), (765, 111268), (1020, 83451), (1530, 55634), (3060, 27817)]