79997220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 278087040

約数和(自身を除く): 198089820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 36, 38, 45, 46, 54, 57, 60, 69, 76, 81, 90, 92, 95, 108, 113, 114, 115, 135, 138, 162, 171, 180, 190, 207, 226, 228, 230, 270, 276, 285, 324, 339, 342, 345, 380, 405, 414, 437, 452, 460, 513, 540, 565, 570, 621, 678, 684, 690, 810, 828, 855, 874, 1017, 1026, 1035, 1130, 1140, 1242, 1311, 1356, 1380, 1539, 1620, 1695, 1710, 1748, 1863, 2034, 2052, 2070, 2147, 2185, 2260, 2484, 2565, 2599, 2622, 3051, 3078, 3105, 3390, 3420, 3726, 3933, 4068, 4140, 4294, 4370, 5085, 5130, 5198, 5244, 6102, 6156, 6210, 6441, 6555, 6780, 7452, 7695, 7797, 7866, 8588, 8740, 9153, 9315, 10170, 10260, 10396, 10735, 11799, 12204, 12420, 12882, 12995, 13110, 15255, 15390, 15594, 15732, 18306, 18630, 19323, 19665, 20340, 21470, 23391, 23598, 25764, 25990, 26220, 30510, 30780, 31188, 32205, 35397, 36612, 37260, 38646, 38985, 39330, 42940, 45765, 46782, 47196, 49381, 51980, 57969, 58995, 61020, 64410, 70173, 70794, 77292, 77970, 78660, 91530, 93564, 96615, 98762, 115938, 116955, 117990, 128820, 140346, 141588, 148143, 155940, 173907, 176985, 183060, 193230, 197524, 210519, 231876, 233910, 235980, 246905, 280692, 289845, 296286, 347814, 350865, 353970, 386460, 421038, 444429, 467820, 493810, 579690, 592572, 695628, 701730, 707940, 740715, 842076, 869535, 888858, 987620, 1052595, 1159380, 1333287, 1403460, 1481430, 1739070, 1777716, 2105190, 2222145, 2666574, 2962860, 3478140, 3999861, 4210380, 4444290, 5333148, 6666435, 7999722, 8888580, 13332870, 15999444, 19999305, 26665740, 39998610, 79997220]

約数ペア:

[(1, 79997220), (2, 39998610), (3, 26665740), (4, 19999305), (5, 15999444), (6, 13332870), (9, 8888580), (10, 7999722), (12, 6666435), (15, 5333148), (18, 4444290), (19, 4210380), (20, 3999861), (23, 3478140), (27, 2962860), (30, 2666574), (36, 2222145), (38, 2105190), (45, 1777716), (46, 1739070), (54, 1481430), (57, 1403460), (60, 1333287), (69, 1159380), (76, 1052595), (81, 987620), (90, 888858), (92, 869535), (95, 842076), (108, 740715), (113, 707940), (114, 701730), (115, 695628), (135, 592572), (138, 579690), (162, 493810), (171, 467820), (180, 444429), (190, 421038), (207, 386460), (226, 353970), (228, 350865), (230, 347814), (270, 296286), (276, 289845), (285, 280692), (324, 246905), (339, 235980), (342, 233910), (345, 231876), (380, 210519), (405, 197524), (414, 193230), (437, 183060), (452, 176985), (460, 173907), (513, 155940), (540, 148143), (565, 141588), (570, 140346), (621, 128820), (678, 117990), (684, 116955), (690, 115938), (810, 98762), (828, 96615), (855, 93564), (874, 91530), (1017, 78660), (1026, 77970), (1035, 77292), (1130, 70794), (1140, 70173), (1242, 64410), (1311, 61020), (1356, 58995), (1380, 57969), (1539, 51980), (1620, 49381), (1695, 47196), (1710, 46782), (1748, 45765), (1863, 42940), (2034, 39330), (2052, 38985), (2070, 38646), (2147, 37260), (2185, 36612), (2260, 35397), (2484, 32205), (2565, 31188), (2599, 30780), (2622, 30510), (3051, 26220), (3078, 25990), (3105, 25764), (3390, 23598), (3420, 23391), (3726, 21470), (3933, 20340), (4068, 19665), (4140, 19323), (4294, 18630), (4370, 18306), (5085, 15732), (5130, 15594), (5198, 15390), (5244, 15255), (6102, 13110), (6156, 12995), (6210, 12882), (6441, 12420), (6555, 12204), (6780, 11799), (7452, 10735), (7695, 10396), (7797, 10260), (7866, 10170), (8588, 9315), (8740, 9153)]