128565920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{601}}^1$

素因数の和:814

約数の個数: 96

約数和(自身を含む): 349526016

約数和(自身を除く): 220960096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 191, 224, 280, 382, 560, 601, 764, 955, 1120, 1202, 1337, 1528, 1910, 2404, 2674, 3005, 3056, 3820, 4207, 4808, 5348, 6010, 6112, 6685, 7640, 8414, 9616, 10696, 12020, 13370, 15280, 16828, 19232, 21035, 21392, 24040, 26740, 30560, 33656, 42070, 42784, 48080, 53480, 67312, 84140, 96160, 106960, 114791, 134624, 168280, 213920, 229582, 336560, 459164, 573955, 673120, 803537, 918328, 1147910, 1607074, 1836656, 2295820, 3214148, 3673312, 4017685, 4591640, 6428296, 8035370, 9183280, 12856592, 16070740, 18366560, 25713184, 32141480, 64282960, 128565920]

約数ペア:

[(1, 128565920), (2, 64282960), (4, 32141480), (5, 25713184), (7, 18366560), (8, 16070740), (10, 12856592), (14, 9183280), (16, 8035370), (20, 6428296), (28, 4591640), (32, 4017685), (35, 3673312), (40, 3214148), (56, 2295820), (70, 1836656), (80, 1607074), (112, 1147910), (140, 918328), (160, 803537), (191, 673120), (224, 573955), (280, 459164), (382, 336560), (560, 229582), (601, 213920), (764, 168280), (955, 134624), (1120, 114791), (1202, 106960), (1337, 96160), (1528, 84140), (1910, 67312), (2404, 53480), (2674, 48080), (3005, 42784), (3056, 42070), (3820, 33656), (4207, 30560), (4808, 26740), (5348, 24040), (6010, 21392), (6112, 21035), (6685, 19232), (7640, 16828), (8414, 15280), (9616, 13370), (10696, 12020)]