81992520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 285984000

約数和(自身を除く): 203991480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 79, 90, 93, 108, 120, 124, 135, 155, 158, 180, 186, 216, 237, 248, 270, 279, 310, 316, 360, 372, 395, 465, 474, 540, 558, 620, 632, 711, 744, 790, 837, 930, 948, 961, 1080, 1116, 1185, 1240, 1395, 1422, 1580, 1674, 1860, 1896, 1922, 2133, 2232, 2370, 2449, 2790, 2844, 2883, 3160, 3348, 3555, 3720, 3844, 4185, 4266, 4740, 4805, 4898, 5580, 5688, 5766, 6696, 7110, 7347, 7688, 8370, 8532, 8649, 9480, 9610, 9796, 10665, 11160, 11532, 12245, 14220, 14415, 14694, 16740, 17064, 17298, 19220, 19592, 21330, 22041, 23064, 24490, 25947, 28440, 28830, 29388, 33480, 34596, 36735, 38440, 42660, 43245, 44082, 48980, 51894, 57660, 58776, 66123, 69192, 73470, 75919, 85320, 86490, 88164, 97960, 103788, 110205, 115320, 129735, 132246, 146940, 151838, 172980, 176328, 207576, 220410, 227757, 259470, 264492, 293880, 303676, 330615, 345960, 379595, 440820, 455514, 518940, 528984, 607352, 661230, 683271, 759190, 881640, 911028, 1037880, 1138785, 1322460, 1366542, 1518380, 1822056, 2049813, 2277570, 2644920, 2733084, 3036760, 3416355, 4099626, 4555140, 5466168, 6832710, 8199252, 9110280, 10249065, 13665420, 16398504, 20498130, 27330840, 40996260, 81992520]

約数ペア:

[(1, 81992520), (2, 40996260), (3, 27330840), (4, 20498130), (5, 16398504), (6, 13665420), (8, 10249065), (9, 9110280), (10, 8199252), (12, 6832710), (15, 5466168), (18, 4555140), (20, 4099626), (24, 3416355), (27, 3036760), (30, 2733084), (31, 2644920), (36, 2277570), (40, 2049813), (45, 1822056), (54, 1518380), (60, 1366542), (62, 1322460), (72, 1138785), (79, 1037880), (90, 911028), (93, 881640), (108, 759190), (120, 683271), (124, 661230), (135, 607352), (155, 528984), (158, 518940), (180, 455514), (186, 440820), (216, 379595), (237, 345960), (248, 330615), (270, 303676), (279, 293880), (310, 264492), (316, 259470), (360, 227757), (372, 220410), (395, 207576), (465, 176328), (474, 172980), (540, 151838), (558, 146940), (620, 132246), (632, 129735), (711, 115320), (744, 110205), (790, 103788), (837, 97960), (930, 88164), (948, 86490), (961, 85320), (1080, 75919), (1116, 73470), (1185, 69192), (1240, 66123), (1395, 58776), (1422, 57660), (1580, 51894), (1674, 48980), (1860, 44082), (1896, 43245), (1922, 42660), (2133, 38440), (2232, 36735), (2370, 34596), (2449, 33480), (2790, 29388), (2844, 28830), (2883, 28440), (3160, 25947), (3348, 24490), (3555, 23064), (3720, 22041), (3844, 21330), (4185, 19592), (4266, 19220), (4740, 17298), (4805, 17064), (4898, 16740), (5580, 14694), (5688, 14415), (5766, 14220), (6696, 12245), (7110, 11532), (7347, 11160), (7688, 10665), (8370, 9796), (8532, 9610), (8649, 9480)]