1278762280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 3032386560

約数和(自身を除く): 1753624280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 223, 230, 271, 446, 460, 529, 542, 892, 920, 1058, 1084, 1115, 1355, 1784, 2116, 2168, 2230, 2645, 2710, 4232, 4460, 5129, 5290, 5420, 6233, 8920, 10258, 10580, 10840, 12466, 20516, 21160, 24932, 25645, 31165, 41032, 49864, 51290, 60433, 62330, 102580, 117967, 120866, 124660, 143359, 205160, 235934, 241732, 249320, 286718, 302165, 471868, 483464, 573436, 589835, 604330, 716795, 943736, 1146872, 1179670, 1208660, 1389959, 1433590, 2359340, 2417320, 2779918, 2867180, 4718680, 5559836, 5734360, 6949795, 11119672, 13899590, 27799180, 31969057, 55598360, 63938114, 127876228, 159845285, 255752456, 319690570, 639381140, 1278762280]

約数ペア:

[(1, 1278762280), (2, 639381140), (4, 319690570), (5, 255752456), (8, 159845285), (10, 127876228), (20, 63938114), (23, 55598360), (40, 31969057), (46, 27799180), (92, 13899590), (115, 11119672), (184, 6949795), (223, 5734360), (230, 5559836), (271, 4718680), (446, 2867180), (460, 2779918), (529, 2417320), (542, 2359340), (892, 1433590), (920, 1389959), (1058, 1208660), (1084, 1179670), (1115, 1146872), (1355, 943736), (1784, 716795), (2116, 604330), (2168, 589835), (2230, 573436), (2645, 483464), (2710, 471868), (4232, 302165), (4460, 286718), (5129, 249320), (5290, 241732), (5420, 235934), (6233, 205160), (8920, 143359), (10258, 124660), (10580, 120866), (10840, 117967), (12466, 102580), (20516, 62330), (21160, 60433), (24932, 51290), (25645, 49864), (31165, 41032)]