81706590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2583

約数の個数: 128

約数和(自身を含む): 263761920

約数和(自身を除く): 182055330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 714, 765, 918, 945, 1071, 1190, 1530, 1785, 1890, 2142, 2295, 2543, 3213, 3570, 4590, 5086, 5355, 6426, 7629, 10710, 12715, 15258, 16065, 17801, 22887, 25430, 32130, 35602, 38145, 43231, 45774, 53403, 68661, 76290, 86462, 89005, 106806, 114435, 129693, 137322, 160209, 178010, 216155, 228870, 259386, 267015, 302617, 320418, 343305, 389079, 432310, 480627, 534030, 605234, 648465, 686610, 778158, 801045, 907851, 961254, 1167237, 1296930, 1513085, 1602090, 1815702, 1945395, 2334474, 2403135, 2723553, 3026170, 3890790, 4539255, 4806270, 5447106, 5836185, 8170659, 9078510, 11672370, 13617765, 16341318, 27235530, 40853295, 81706590]

約数ペア:

[(1, 81706590), (2, 40853295), (3, 27235530), (5, 16341318), (6, 13617765), (7, 11672370), (9, 9078510), (10, 8170659), (14, 5836185), (15, 5447106), (17, 4806270), (18, 4539255), (21, 3890790), (27, 3026170), (30, 2723553), (34, 2403135), (35, 2334474), (42, 1945395), (45, 1815702), (51, 1602090), (54, 1513085), (63, 1296930), (70, 1167237), (85, 961254), (90, 907851), (102, 801045), (105, 778158), (119, 686610), (126, 648465), (135, 605234), (153, 534030), (170, 480627), (189, 432310), (210, 389079), (238, 343305), (255, 320418), (270, 302617), (306, 267015), (315, 259386), (357, 228870), (378, 216155), (459, 178010), (510, 160209), (595, 137322), (630, 129693), (714, 114435), (765, 106806), (918, 89005), (945, 86462), (1071, 76290), (1190, 68661), (1530, 53403), (1785, 45774), (1890, 43231), (2142, 38145), (2295, 35602), (2543, 32130), (3213, 25430), (3570, 22887), (4590, 17801), (5086, 16065), (5355, 15258), (6426, 12715), (7629, 10710)]