90180285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 165473280

約数和(自身を除く): 75292995

約数列:

[1, 3, 5, 13, 15, 29, 37, 39, 65, 87, 111, 145, 185, 195, 377, 431, 435, 481, 555, 1073, 1131, 1293, 1443, 1885, 2155, 2405, 3219, 5365, 5603, 5655, 6465, 7215, 12499, 13949, 15947, 16095, 16809, 28015, 37497, 41847, 47841, 62495, 69745, 79735, 84045, 162487, 187485, 207311, 209235, 239205, 462463, 487461, 621933, 812435, 1036555, 1387389, 2312315, 2437305, 3109665, 6012019, 6936945, 18036057, 30060095, 90180285]

約数ペア:

[(1, 90180285), (3, 30060095), (5, 18036057), (13, 6936945), (15, 6012019), (29, 3109665), (37, 2437305), (39, 2312315), (65, 1387389), (87, 1036555), (111, 812435), (145, 621933), (185, 487461), (195, 462463), (377, 239205), (431, 209235), (435, 207311), (481, 187485), (555, 162487), (1073, 84045), (1131, 79735), (1293, 69745), (1443, 62495), (1885, 47841), (2155, 41847), (2405, 37497), (3219, 28015), (5365, 16809), (5603, 16095), (5655, 15947), (6465, 13949), (7215, 12499)]