79909920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 275026752

約数和(自身を除く): 195116832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 263, 288, 360, 422, 480, 526, 633, 720, 789, 844, 1052, 1055, 1266, 1315, 1440, 1578, 1688, 1899, 2104, 2110, 2367, 2532, 2630, 3156, 3165, 3376, 3798, 3945, 4208, 4220, 4734, 5064, 5260, 6312, 6330, 6752, 7596, 7890, 8416, 8440, 9468, 9495, 10128, 10520, 11835, 12624, 12660, 15192, 15780, 16880, 18936, 18990, 20256, 21040, 23670, 25248, 25320, 30384, 31560, 33760, 37872, 37980, 42080, 47340, 50640, 55493, 60768, 63120, 75744, 75960, 94680, 101280, 110986, 126240, 151920, 166479, 189360, 221972, 277465, 303840, 332958, 378720, 443944, 499437, 554930, 665916, 832395, 887888, 998874, 1109860, 1331832, 1664790, 1775776, 1997748, 2219720, 2497185, 2663664, 3329580, 3995496, 4439440, 4994370, 5327328, 6659160, 7990992, 8878880, 9988740, 13318320, 15981984, 19977480, 26636640, 39954960, 79909920]

約数ペア:

[(1, 79909920), (2, 39954960), (3, 26636640), (4, 19977480), (5, 15981984), (6, 13318320), (8, 9988740), (9, 8878880), (10, 7990992), (12, 6659160), (15, 5327328), (16, 4994370), (18, 4439440), (20, 3995496), (24, 3329580), (30, 2663664), (32, 2497185), (36, 2219720), (40, 1997748), (45, 1775776), (48, 1664790), (60, 1331832), (72, 1109860), (80, 998874), (90, 887888), (96, 832395), (120, 665916), (144, 554930), (160, 499437), (180, 443944), (211, 378720), (240, 332958), (263, 303840), (288, 277465), (360, 221972), (422, 189360), (480, 166479), (526, 151920), (633, 126240), (720, 110986), (789, 101280), (844, 94680), (1052, 75960), (1055, 75744), (1266, 63120), (1315, 60768), (1440, 55493), (1578, 50640), (1688, 47340), (1899, 42080), (2104, 37980), (2110, 37872), (2367, 33760), (2532, 31560), (2630, 30384), (3156, 25320), (3165, 25248), (3376, 23670), (3798, 21040), (3945, 20256), (4208, 18990), (4220, 18936), (4734, 16880), (5064, 15780), (5260, 15192), (6312, 12660), (6330, 12624), (6752, 11835), (7596, 10520), (7890, 10128), (8416, 9495), (8440, 9468)]