123421680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 240

約数和(自身を含む): 449167680

約数和(自身を除く): 325746000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 29, 30, 36, 40, 45, 46, 48, 58, 60, 69, 72, 80, 87, 90, 92, 115, 116, 120, 138, 144, 145, 174, 180, 184, 207, 230, 232, 240, 257, 261, 276, 290, 345, 348, 360, 368, 414, 435, 460, 464, 514, 522, 552, 580, 667, 690, 696, 720, 771, 828, 870, 920, 1028, 1035, 1044, 1104, 1160, 1285, 1305, 1334, 1380, 1392, 1542, 1656, 1740, 1840, 2001, 2056, 2070, 2088, 2313, 2320, 2570, 2610, 2668, 2760, 3084, 3312, 3335, 3480, 3855, 4002, 4112, 4140, 4176, 4626, 5140, 5220, 5336, 5520, 5911, 6003, 6168, 6670, 6960, 7453, 7710, 8004, 8280, 9252, 10005, 10280, 10440, 10672, 11565, 11822, 12006, 12336, 13340, 14906, 15420, 16008, 16560, 17733, 18504, 20010, 20560, 20880, 22359, 23130, 23644, 24012, 26680, 29555, 29812, 30015, 30840, 32016, 35466, 37008, 37265, 40020, 44718, 46260, 47288, 48024, 53199, 53360, 59110, 59624, 60030, 61680, 67077, 70932, 74530, 80040, 88665, 89436, 92520, 94576, 96048, 106398, 111795, 118220, 119248, 120060, 134154, 141864, 149060, 160080, 171419, 177330, 178872, 185040, 212796, 223590, 236440, 240120, 265995, 268308, 283728, 298120, 335385, 342838, 354660, 357744, 425592, 447180, 472880, 480240, 514257, 531990, 536616, 596240, 670770, 685676, 709320, 851184, 857095, 894360, 1028514, 1063980, 1073232, 1341540, 1371352, 1418640, 1542771, 1714190, 1788720, 2057028, 2127960, 2571285, 2683080, 2742704, 3085542, 3428380, 4114056, 4255920, 5142570, 5366160, 6171084, 6856760, 7713855, 8228112, 10285140, 12342168, 13713520, 15427710, 20570280, 24684336, 30855420, 41140560, 61710840, 123421680]

約数ペア:

[(1, 123421680), (2, 61710840), (3, 41140560), (4, 30855420), (5, 24684336), (6, 20570280), (8, 15427710), (9, 13713520), (10, 12342168), (12, 10285140), (15, 8228112), (16, 7713855), (18, 6856760), (20, 6171084), (23, 5366160), (24, 5142570), (29, 4255920), (30, 4114056), (36, 3428380), (40, 3085542), (45, 2742704), (46, 2683080), (48, 2571285), (58, 2127960), (60, 2057028), (69, 1788720), (72, 1714190), (80, 1542771), (87, 1418640), (90, 1371352), (92, 1341540), (115, 1073232), (116, 1063980), (120, 1028514), (138, 894360), (144, 857095), (145, 851184), (174, 709320), (180, 685676), (184, 670770), (207, 596240), (230, 536616), (232, 531990), (240, 514257), (257, 480240), (261, 472880), (276, 447180), (290, 425592), (345, 357744), (348, 354660), (360, 342838), (368, 335385), (414, 298120), (435, 283728), (460, 268308), (464, 265995), (514, 240120), (522, 236440), (552, 223590), (580, 212796), (667, 185040), (690, 178872), (696, 177330), (720, 171419), (771, 160080), (828, 149060), (870, 141864), (920, 134154), (1028, 120060), (1035, 119248), (1044, 118220), (1104, 111795), (1160, 106398), (1285, 96048), (1305, 94576), (1334, 92520), (1380, 89436), (1392, 88665), (1542, 80040), (1656, 74530), (1740, 70932), (1840, 67077), (2001, 61680), (2056, 60030), (2070, 59624), (2088, 59110), (2313, 53360), (2320, 53199), (2570, 48024), (2610, 47288), (2668, 46260), (2760, 44718), (3084, 40020), (3312, 37265), (3335, 37008), (3480, 35466), (3855, 32016), (4002, 30840), (4112, 30015), (4140, 29812), (4176, 29555), (4626, 26680), (5140, 24012), (5220, 23644), (5336, 23130), (5520, 22359), (5911, 20880), (6003, 20560), (6168, 20010), (6670, 18504), (6960, 17733), (7453, 16560), (7710, 16008), (8004, 15420), (8280, 14906), (9252, 13340), (10005, 12336), (10280, 12006), (10440, 11822), (10672, 11565)]