680966520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18979}}^1$

素因数の和:19029

約数の個数: 128

約数和(自身を含む): 2295820800

約数和(自身を除く): 1614854280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 8970, 11960, 17940, 18979, 35880, 37958, 56937, 75916, 94895, 113874, 151832, 189790, 227748, 246727, 284685, 379580, 436517, 455496, 493454, 569370, 740181, 759160, 873034, 986908, 1138740, 1233635, 1309551, 1480362, 1746068, 1973816, 2182585, 2277480, 2467270, 2619102, 2960724, 3492136, 3700905, 4365170, 4934540, 5238204, 5674721, 5921448, 6547755, 7401810, 8730340, 9869080, 10476408, 11349442, 13095510, 14803620, 17024163, 17460680, 22698884, 26191020, 28373605, 29607240, 34048326, 45397768, 52382040, 56747210, 68096652, 85120815, 113494420, 136193304, 170241630, 226988840, 340483260, 680966520]

約数ペア:

[(1, 680966520), (2, 340483260), (3, 226988840), (4, 170241630), (5, 136193304), (6, 113494420), (8, 85120815), (10, 68096652), (12, 56747210), (13, 52382040), (15, 45397768), (20, 34048326), (23, 29607240), (24, 28373605), (26, 26191020), (30, 22698884), (39, 17460680), (40, 17024163), (46, 14803620), (52, 13095510), (60, 11349442), (65, 10476408), (69, 9869080), (78, 8730340), (92, 7401810), (104, 6547755), (115, 5921448), (120, 5674721), (130, 5238204), (138, 4934540), (156, 4365170), (184, 3700905), (195, 3492136), (230, 2960724), (260, 2619102), (276, 2467270), (299, 2277480), (312, 2182585), (345, 1973816), (390, 1746068), (460, 1480362), (520, 1309551), (552, 1233635), (598, 1138740), (690, 986908), (780, 873034), (897, 759160), (920, 740181), (1196, 569370), (1380, 493454), (1495, 455496), (1560, 436517), (1794, 379580), (2392, 284685), (2760, 246727), (2990, 227748), (3588, 189790), (4485, 151832), (5980, 113874), (7176, 94895), (8970, 75916), (11960, 56937), (17940, 37958), (18979, 35880)]