87780780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{162557}}^1$

素因数の和:162575

約数の個数: 48

約数和(自身を含む): 273097440

約数和(自身を除く): 185316660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 162557, 325114, 487671, 650228, 812785, 975342, 1463013, 1625570, 1950684, 2438355, 2926026, 3251140, 4389039, 4876710, 5852052, 7315065, 8778078, 9753420, 14630130, 17556156, 21945195, 29260260, 43890390, 87780780]

約数ペア:

[(1, 87780780), (2, 43890390), (3, 29260260), (4, 21945195), (5, 17556156), (6, 14630130), (9, 9753420), (10, 8778078), (12, 7315065), (15, 5852052), (18, 4876710), (20, 4389039), (27, 3251140), (30, 2926026), (36, 2438355), (45, 1950684), (54, 1625570), (60, 1463013), (90, 975342), (108, 812785), (135, 650228), (180, 487671), (270, 325114), (540, 162557)]