123041920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 319904640

約数和(自身を除く): 196862720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 263, 272, 320, 340, 344, 430, 526, 544, 640, 680, 688, 731, 860, 1052, 1088, 1315, 1360, 1376, 1462, 1720, 2104, 2176, 2630, 2720, 2752, 2924, 3440, 3655, 4208, 4471, 5260, 5440, 5504, 5848, 6880, 7310, 8416, 8942, 10520, 10880, 11309, 11696, 13760, 14620, 16832, 17884, 21040, 22355, 22618, 23392, 27520, 29240, 33664, 35768, 42080, 44710, 45236, 46784, 56545, 58480, 71536, 84160, 89420, 90472, 93568, 113090, 116960, 143072, 168320, 178840, 180944, 192253, 226180, 233920, 286144, 357680, 361888, 384506, 452360, 467840, 572288, 715360, 723776, 769012, 904720, 961265, 1430720, 1447552, 1538024, 1809440, 1922530, 2861440, 3076048, 3618880, 3845060, 6152096, 7237760, 7690120, 12304192, 15380240, 24608384, 30760480, 61520960, 123041920]

約数ペア:

[(1, 123041920), (2, 61520960), (4, 30760480), (5, 24608384), (8, 15380240), (10, 12304192), (16, 7690120), (17, 7237760), (20, 6152096), (32, 3845060), (34, 3618880), (40, 3076048), (43, 2861440), (64, 1922530), (68, 1809440), (80, 1538024), (85, 1447552), (86, 1430720), (128, 961265), (136, 904720), (160, 769012), (170, 723776), (172, 715360), (215, 572288), (263, 467840), (272, 452360), (320, 384506), (340, 361888), (344, 357680), (430, 286144), (526, 233920), (544, 226180), (640, 192253), (680, 180944), (688, 178840), (731, 168320), (860, 143072), (1052, 116960), (1088, 113090), (1315, 93568), (1360, 90472), (1376, 89420), (1462, 84160), (1720, 71536), (2104, 58480), (2176, 56545), (2630, 46784), (2720, 45236), (2752, 44710), (2924, 42080), (3440, 35768), (3655, 33664), (4208, 29240), (4471, 27520), (5260, 23392), (5440, 22618), (5504, 22355), (5848, 21040), (6880, 17884), (7310, 16832), (8416, 14620), (8942, 13760), (10520, 11696), (10880, 11309)]