155524897720

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2129}}^1\times {\mathrm{2131}}^1$

素因数の和:5128

約数の個数: 64

約数和(自身を含む): 350668375200

約数和(自身を除く): 195143477480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 2129, 2131, 3428, 4258, 4262, 4285, 6856, 8516, 8524, 8570, 10645, 10655, 17032, 17048, 17140, 21290, 21310, 34280, 42580, 42620, 85160, 85240, 1824553, 1826267, 3649106, 3652534, 4536899, 7298212, 7305068, 9073798, 9122765, 9131335, 14596424, 14610136, 18147596, 18245530, 18262670, 22684495, 36295192, 36491060, 36525340, 45368990, 72982120, 73050680, 90737980, 181475960, 3888122443, 7776244886, 15552489772, 19440612215, 31104979544, 38881224430, 77762448860, 155524897720]

約数ペア:

[(1, 155524897720), (2, 77762448860), (4, 38881224430), (5, 31104979544), (8, 19440612215), (10, 15552489772), (20, 7776244886), (40, 3888122443), (857, 181475960), (1714, 90737980), (2129, 73050680), (2131, 72982120), (3428, 45368990), (4258, 36525340), (4262, 36491060), (4285, 36295192), (6856, 22684495), (8516, 18262670), (8524, 18245530), (8570, 18147596), (10645, 14610136), (10655, 14596424), (17032, 9131335), (17048, 9122765), (17140, 9073798), (21290, 7305068), (21310, 7298212), (34280, 4536899), (42580, 3652534), (42620, 3649106), (85160, 1826267), (85240, 1824553)]