61920720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:394

約数の個数: 160

約数和(自身を含む): 216057600

約数和(自身を除く): 154136880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 109, 120, 135, 144, 180, 216, 218, 240, 263, 270, 327, 360, 432, 436, 526, 540, 545, 654, 720, 789, 872, 981, 1052, 1080, 1090, 1308, 1315, 1578, 1635, 1744, 1962, 2104, 2160, 2180, 2367, 2616, 2630, 2943, 3156, 3270, 3924, 3945, 4208, 4360, 4734, 4905, 5232, 5260, 5886, 6312, 6540, 7101, 7848, 7890, 8720, 9468, 9810, 10520, 11772, 11835, 12624, 13080, 14202, 14715, 15696, 15780, 18936, 19620, 21040, 23544, 23670, 26160, 28404, 28667, 29430, 31560, 35505, 37872, 39240, 47088, 47340, 56808, 57334, 58860, 63120, 71010, 78480, 86001, 94680, 113616, 114668, 117720, 142020, 143335, 172002, 189360, 229336, 235440, 258003, 284040, 286670, 344004, 430005, 458672, 516006, 568080, 573340, 688008, 774009, 860010, 1032012, 1146680, 1290015, 1376016, 1548018, 1720020, 2064024, 2293360, 2580030, 3096036, 3440040, 3870045, 4128048, 5160060, 6192072, 6880080, 7740090, 10320120, 12384144, 15480180, 20640240, 30960360, 61920720]

約数ペア:

[(1, 61920720), (2, 30960360), (3, 20640240), (4, 15480180), (5, 12384144), (6, 10320120), (8, 7740090), (9, 6880080), (10, 6192072), (12, 5160060), (15, 4128048), (16, 3870045), (18, 3440040), (20, 3096036), (24, 2580030), (27, 2293360), (30, 2064024), (36, 1720020), (40, 1548018), (45, 1376016), (48, 1290015), (54, 1146680), (60, 1032012), (72, 860010), (80, 774009), (90, 688008), (108, 573340), (109, 568080), (120, 516006), (135, 458672), (144, 430005), (180, 344004), (216, 286670), (218, 284040), (240, 258003), (263, 235440), (270, 229336), (327, 189360), (360, 172002), (432, 143335), (436, 142020), (526, 117720), (540, 114668), (545, 113616), (654, 94680), (720, 86001), (789, 78480), (872, 71010), (981, 63120), (1052, 58860), (1080, 57334), (1090, 56808), (1308, 47340), (1315, 47088), (1578, 39240), (1635, 37872), (1744, 35505), (1962, 31560), (2104, 29430), (2160, 28667), (2180, 28404), (2367, 26160), (2616, 23670), (2630, 23544), (2943, 21040), (3156, 19620), (3270, 18936), (3924, 15780), (3945, 15696), (4208, 14715), (4360, 14202), (4734, 13080), (4905, 12624), (5232, 11835), (5260, 11772), (5886, 10520), (6312, 9810), (6540, 9468), (7101, 8720), (7848, 7890)]