61520960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 159325056

約数和(自身を除く): 97804096

約数列:

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

約数ペア:

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