257179920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1783}}^1$

素因数の和:2400

約数の個数: 80

約数和(自身を含む): 799032192

約数和(自身を除く): 541852272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 601, 1202, 1783, 1803, 2404, 3005, 3566, 3606, 4808, 5349, 6010, 7132, 7212, 8915, 9015, 9616, 10698, 12020, 14264, 14424, 17830, 18030, 21396, 24040, 26745, 28528, 28848, 35660, 36060, 42792, 48080, 53490, 71320, 72120, 85584, 106980, 142640, 144240, 213960, 427920, 1071583, 2143166, 3214749, 4286332, 5357915, 6429498, 8572664, 10715830, 12858996, 16073745, 17145328, 21431660, 25717992, 32147490, 42863320, 51435984, 64294980, 85726640, 128589960, 257179920]

約数ペア:

[(1, 257179920), (2, 128589960), (3, 85726640), (4, 64294980), (5, 51435984), (6, 42863320), (8, 32147490), (10, 25717992), (12, 21431660), (15, 17145328), (16, 16073745), (20, 12858996), (24, 10715830), (30, 8572664), (40, 6429498), (48, 5357915), (60, 4286332), (80, 3214749), (120, 2143166), (240, 1071583), (601, 427920), (1202, 213960), (1783, 144240), (1803, 142640), (2404, 106980), (3005, 85584), (3566, 72120), (3606, 71320), (4808, 53490), (5349, 48080), (6010, 42792), (7132, 36060), (7212, 35660), (8915, 28848), (9015, 28528), (9616, 26745), (10698, 24040), (12020, 21396), (14264, 18030), (14424, 17830)]