56544540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72493}}^1$

素因数の和:72518

約数の個数: 48

約数和(自身を含む): 170505888

約数和(自身を除く): 113961348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72493, 144986, 217479, 289972, 362465, 434958, 724930, 869916, 942409, 1087395, 1449860, 1884818, 2174790, 2827227, 3769636, 4349580, 4712045, 5654454, 9424090, 11308908, 14136135, 18848180, 28272270, 56544540]

約数ペア:

[(1, 56544540), (2, 28272270), (3, 18848180), (4, 14136135), (5, 11308908), (6, 9424090), (10, 5654454), (12, 4712045), (13, 4349580), (15, 3769636), (20, 2827227), (26, 2174790), (30, 1884818), (39, 1449860), (52, 1087395), (60, 942409), (65, 869916), (78, 724930), (130, 434958), (156, 362465), (195, 289972), (260, 217479), (390, 144986), (780, 72493)]