15268720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 38301120

約数和(自身を除く): 23032400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 109, 136, 170, 206, 218, 272, 340, 412, 436, 515, 545, 680, 824, 872, 1030, 1090, 1360, 1648, 1744, 1751, 1853, 2060, 2180, 3502, 3706, 4120, 4360, 7004, 7412, 8240, 8720, 8755, 9265, 11227, 14008, 14824, 17510, 18530, 22454, 28016, 29648, 35020, 37060, 44908, 56135, 70040, 74120, 89816, 112270, 140080, 148240, 179632, 190859, 224540, 381718, 449080, 763436, 898160, 954295, 1526872, 1908590, 3053744, 3817180, 7634360, 15268720]

約数ペア:

[(1, 15268720), (2, 7634360), (4, 3817180), (5, 3053744), (8, 1908590), (10, 1526872), (16, 954295), (17, 898160), (20, 763436), (34, 449080), (40, 381718), (68, 224540), (80, 190859), (85, 179632), (103, 148240), (109, 140080), (136, 112270), (170, 89816), (206, 74120), (218, 70040), (272, 56135), (340, 44908), (412, 37060), (436, 35020), (515, 29648), (545, 28016), (680, 22454), (824, 18530), (872, 17510), (1030, 14824), (1090, 14008), (1360, 11227), (1648, 9265), (1744, 8755), (1751, 8720), (1853, 8240), (2060, 7412), (2180, 7004), (3502, 4360), (3706, 4120)]