1638026320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{8837}}^1$

素因数の和:9188

約数の個数: 80

約数和(自身を含む): 4366113408

約数和(自身を除く): 2728087088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 331, 560, 662, 1324, 1655, 2317, 2648, 3310, 4634, 5296, 6620, 8837, 9268, 11585, 13240, 17674, 18536, 23170, 26480, 35348, 37072, 44185, 46340, 61859, 70696, 88370, 92680, 123718, 141392, 176740, 185360, 247436, 309295, 353480, 494872, 618590, 706960, 989744, 1237180, 2474360, 2925047, 4948720, 5850094, 11700188, 14625235, 20475329, 23400376, 29250470, 40950658, 46800752, 58500940, 81901316, 102376645, 117001880, 163802632, 204753290, 234003760, 327605264, 409506580, 819013160, 1638026320]

約数ペア:

[(1, 1638026320), (2, 819013160), (4, 409506580), (5, 327605264), (7, 234003760), (8, 204753290), (10, 163802632), (14, 117001880), (16, 102376645), (20, 81901316), (28, 58500940), (35, 46800752), (40, 40950658), (56, 29250470), (70, 23400376), (80, 20475329), (112, 14625235), (140, 11700188), (280, 5850094), (331, 4948720), (560, 2925047), (662, 2474360), (1324, 1237180), (1655, 989744), (2317, 706960), (2648, 618590), (3310, 494872), (4634, 353480), (5296, 309295), (6620, 247436), (8837, 185360), (9268, 176740), (11585, 141392), (13240, 123718), (17674, 92680), (18536, 88370), (23170, 70696), (26480, 61859), (35348, 46340), (37072, 44185)]