120473960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 280843200

約数和(自身を除く): 160369240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 787, 860, 890, 1574, 1720, 1780, 3148, 3560, 3827, 3935, 6296, 7654, 7870, 15308, 15740, 19135, 30616, 31480, 33841, 38270, 67682, 70043, 76540, 135364, 140086, 153080, 169205, 270728, 280172, 338410, 350215, 560344, 676820, 700430, 1353640, 1400860, 2801720, 3011849, 6023698, 12047396, 15059245, 24094792, 30118490, 60236980, 120473960]

約数ペア:

[(1, 120473960), (2, 60236980), (4, 30118490), (5, 24094792), (8, 15059245), (10, 12047396), (20, 6023698), (40, 3011849), (43, 2801720), (86, 1400860), (89, 1353640), (172, 700430), (178, 676820), (215, 560344), (344, 350215), (356, 338410), (430, 280172), (445, 270728), (712, 169205), (787, 153080), (860, 140086), (890, 135364), (1574, 76540), (1720, 70043), (1780, 67682), (3148, 38270), (3560, 33841), (3827, 31480), (3935, 30616), (6296, 19135), (7654, 15740), (7870, 15308)]