855205740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{279479}}^1$

素因数の和:279511

約数の個数: 72

約数和(自身を含む): 2746729440

約数和(自身を除く): 1891523700

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, 279479, 558958, 838437, 1117916, 1397395, 1676874, 2515311, 2794790, 3353748, 4192185, 4751143, 5030622, 5589580, 8384370, 9502286, 10061244, 12576555, 14253429, 16768740, 19004572, 23755715, 25153110, 28506858, 42760287, 47511430, 50306220, 57013716, 71267145, 85520574, 95022860, 142534290, 171041148, 213801435, 285068580, 427602870, 855205740]

約数ペア:

[(1, 855205740), (2, 427602870), (3, 285068580), (4, 213801435), (5, 171041148), (6, 142534290), (9, 95022860), (10, 85520574), (12, 71267145), (15, 57013716), (17, 50306220), (18, 47511430), (20, 42760287), (30, 28506858), (34, 25153110), (36, 23755715), (45, 19004572), (51, 16768740), (60, 14253429), (68, 12576555), (85, 10061244), (90, 9502286), (102, 8384370), (153, 5589580), (170, 5030622), (180, 4751143), (204, 4192185), (255, 3353748), (306, 2794790), (340, 2515311), (510, 1676874), (612, 1397395), (765, 1117916), (1020, 838437), (1530, 558958), (3060, 279479)]