79321960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 200880000

約数和(自身を除く): 121558040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 59, 61, 76, 95, 116, 118, 122, 145, 152, 190, 232, 236, 244, 290, 295, 305, 380, 472, 488, 551, 580, 590, 610, 760, 1102, 1121, 1159, 1160, 1180, 1220, 1711, 1769, 2204, 2242, 2318, 2360, 2440, 2755, 3422, 3538, 3599, 4408, 4484, 4636, 5510, 5605, 5795, 6844, 7076, 7198, 8555, 8845, 8968, 9272, 11020, 11210, 11590, 13688, 14152, 14396, 17110, 17690, 17995, 22040, 22420, 23180, 28792, 32509, 33611, 34220, 35380, 35990, 44840, 46360, 65018, 67222, 68381, 68440, 70760, 71980, 104371, 130036, 134444, 136762, 143960, 162545, 168055, 208742, 260072, 268888, 273524, 325090, 336110, 341905, 417484, 521855, 547048, 650180, 672220, 683810, 834968, 1043710, 1300360, 1344440, 1367620, 1983049, 2087420, 2735240, 3966098, 4174840, 7932196, 9915245, 15864392, 19830490, 39660980, 79321960]

約数ペア:

[(1, 79321960), (2, 39660980), (4, 19830490), (5, 15864392), (8, 9915245), (10, 7932196), (19, 4174840), (20, 3966098), (29, 2735240), (38, 2087420), (40, 1983049), (58, 1367620), (59, 1344440), (61, 1300360), (76, 1043710), (95, 834968), (116, 683810), (118, 672220), (122, 650180), (145, 547048), (152, 521855), (190, 417484), (232, 341905), (236, 336110), (244, 325090), (290, 273524), (295, 268888), (305, 260072), (380, 208742), (472, 168055), (488, 162545), (551, 143960), (580, 136762), (590, 134444), (610, 130036), (760, 104371), (1102, 71980), (1121, 70760), (1159, 68440), (1160, 68381), (1180, 67222), (1220, 65018), (1711, 46360), (1769, 44840), (2204, 35990), (2242, 35380), (2318, 34220), (2360, 33611), (2440, 32509), (2755, 28792), (3422, 23180), (3538, 22420), (3599, 22040), (4408, 17995), (4484, 17690), (4636, 17110), (5510, 14396), (5605, 14152), (5795, 13688), (6844, 11590), (7076, 11210), (7198, 11020), (8555, 9272), (8845, 8968)]