161293356

素因数分解:

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

素因数の和:258

約数の個数: 180

約数和(自身を含む): 511167888

約数和(自身を除く): 349874532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 197, 228, 252, 266, 324, 342, 361, 378, 394, 399, 513, 532, 567, 591, 684, 722, 756, 788, 798, 1026, 1083, 1134, 1182, 1197, 1379, 1444, 1539, 1596, 1773, 2052, 2166, 2268, 2364, 2394, 2527, 2758, 3078, 3249, 3546, 3591, 3743, 4137, 4332, 4788, 5054, 5319, 5516, 6156, 6498, 7092, 7182, 7486, 7581, 8274, 9747, 10108, 10638, 10773, 11229, 12411, 12996, 14364, 14972, 15162, 15957, 16548, 19494, 21276, 21546, 22458, 22743, 24822, 26201, 29241, 30324, 31914, 33687, 37233, 38988, 43092, 44916, 45486, 49644, 52402, 58482, 63828, 67374, 68229, 71117, 74466, 78603, 90972, 101061, 104804, 111699, 116964, 134748, 136458, 142234, 148932, 157206, 202122, 204687, 213351, 223398, 235809, 272916, 284468, 303183, 314412, 404244, 409374, 426702, 446796, 471618, 497819, 606366, 640053, 707427, 818748, 853404, 943236, 995638, 1212732, 1280106, 1414854, 1493457, 1920159, 1991276, 2122281, 2560212, 2829708, 2986914, 3840318, 4244562, 4480371, 5760477, 5973828, 7680636, 8489124, 8960742, 11520954, 13441113, 17921484, 23041908, 26882226, 40323339, 53764452, 80646678, 161293356]

約数ペア:

[(1, 161293356), (2, 80646678), (3, 53764452), (4, 40323339), (6, 26882226), (7, 23041908), (9, 17921484), (12, 13441113), (14, 11520954), (18, 8960742), (19, 8489124), (21, 7680636), (27, 5973828), (28, 5760477), (36, 4480371), (38, 4244562), (42, 3840318), (54, 2986914), (57, 2829708), (63, 2560212), (76, 2122281), (81, 1991276), (84, 1920159), (108, 1493457), (114, 1414854), (126, 1280106), (133, 1212732), (162, 995638), (171, 943236), (189, 853404), (197, 818748), (228, 707427), (252, 640053), (266, 606366), (324, 497819), (342, 471618), (361, 446796), (378, 426702), (394, 409374), (399, 404244), (513, 314412), (532, 303183), (567, 284468), (591, 272916), (684, 235809), (722, 223398), (756, 213351), (788, 204687), (798, 202122), (1026, 157206), (1083, 148932), (1134, 142234), (1182, 136458), (1197, 134748), (1379, 116964), (1444, 111699), (1539, 104804), (1596, 101061), (1773, 90972), (2052, 78603), (2166, 74466), (2268, 71117), (2364, 68229), (2394, 67374), (2527, 63828), (2758, 58482), (3078, 52402), (3249, 49644), (3546, 45486), (3591, 44916), (3743, 43092), (4137, 38988), (4332, 37233), (4788, 33687), (5054, 31914), (5319, 30324), (5516, 29241), (6156, 26201), (6498, 24822), (7092, 22743), (7182, 22458), (7486, 21546), (7581, 21276), (8274, 19494), (9747, 16548), (10108, 15957), (10638, 15162), (10773, 14972), (11229, 14364), (12411, 12996)]