80646678

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 120

約数和(自身を含む): 219071952

約数和(自身を除く): 138425274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 197, 266, 342, 361, 378, 394, 399, 513, 567, 591, 722, 798, 1026, 1083, 1134, 1182, 1197, 1379, 1539, 1773, 2166, 2394, 2527, 2758, 3078, 3249, 3546, 3591, 3743, 4137, 5054, 5319, 6498, 7182, 7486, 7581, 8274, 9747, 10638, 10773, 11229, 12411, 15162, 15957, 19494, 21546, 22458, 22743, 24822, 26201, 29241, 31914, 33687, 37233, 45486, 52402, 58482, 67374, 68229, 71117, 74466, 78603, 101061, 111699, 136458, 142234, 157206, 202122, 204687, 213351, 223398, 235809, 303183, 409374, 426702, 471618, 497819, 606366, 640053, 707427, 995638, 1280106, 1414854, 1493457, 1920159, 2122281, 2986914, 3840318, 4244562, 4480371, 5760477, 8960742, 11520954, 13441113, 26882226, 40323339, 80646678]

約数ペア:

[(1, 80646678), (2, 40323339), (3, 26882226), (6, 13441113), (7, 11520954), (9, 8960742), (14, 5760477), (18, 4480371), (19, 4244562), (21, 3840318), (27, 2986914), (38, 2122281), (42, 1920159), (54, 1493457), (57, 1414854), (63, 1280106), (81, 995638), (114, 707427), (126, 640053), (133, 606366), (162, 497819), (171, 471618), (189, 426702), (197, 409374), (266, 303183), (342, 235809), (361, 223398), (378, 213351), (394, 204687), (399, 202122), (513, 157206), (567, 142234), (591, 136458), (722, 111699), (798, 101061), (1026, 78603), (1083, 74466), (1134, 71117), (1182, 68229), (1197, 67374), (1379, 58482), (1539, 52402), (1773, 45486), (2166, 37233), (2394, 33687), (2527, 31914), (2758, 29241), (3078, 26201), (3249, 24822), (3546, 22743), (3591, 22458), (3743, 21546), (4137, 19494), (5054, 15957), (5319, 15162), (6498, 12411), (7182, 11229), (7486, 10773), (7581, 10638), (8274, 9747)]