20137810320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{111431}}^1$

素因数の和:111701

約数の個数: 120

約数和(自身を含む): 67899529152

約数和(自身を除く): 47761718832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 251, 360, 502, 720, 753, 1004, 1255, 1506, 2008, 2259, 2510, 3012, 3765, 4016, 4518, 5020, 6024, 7530, 9036, 10040, 11295, 12048, 15060, 18072, 20080, 22590, 30120, 36144, 45180, 60240, 90360, 111431, 180720, 222862, 334293, 445724, 557155, 668586, 891448, 1002879, 1114310, 1337172, 1671465, 1782896, 2005758, 2228620, 2674344, 3342930, 4011516, 4457240, 5014395, 5348688, 6685860, 8023032, 8914480, 10028790, 13371720, 16046064, 20057580, 26743440, 27969181, 40115160, 55938362, 80230320, 83907543, 111876724, 139845905, 167815086, 223753448, 251722629, 279691810, 335630172, 419537715, 447506896, 503445258, 559383620, 671260344, 839075430, 1006890516, 1118767240, 1258613145, 1342520688, 1678150860, 2013781032, 2237534480, 2517226290, 3356301720, 4027562064, 5034452580, 6712603440, 10068905160, 20137810320]

約数ペア:

[(1, 20137810320), (2, 10068905160), (3, 6712603440), (4, 5034452580), (5, 4027562064), (6, 3356301720), (8, 2517226290), (9, 2237534480), (10, 2013781032), (12, 1678150860), (15, 1342520688), (16, 1258613145), (18, 1118767240), (20, 1006890516), (24, 839075430), (30, 671260344), (36, 559383620), (40, 503445258), (45, 447506896), (48, 419537715), (60, 335630172), (72, 279691810), (80, 251722629), (90, 223753448), (120, 167815086), (144, 139845905), (180, 111876724), (240, 83907543), (251, 80230320), (360, 55938362), (502, 40115160), (720, 27969181), (753, 26743440), (1004, 20057580), (1255, 16046064), (1506, 13371720), (2008, 10028790), (2259, 8914480), (2510, 8023032), (3012, 6685860), (3765, 5348688), (4016, 5014395), (4518, 4457240), (5020, 4011516), (6024, 3342930), (7530, 2674344), (9036, 2228620), (10040, 2005758), (11295, 1782896), (12048, 1671465), (15060, 1337172), (18072, 1114310), (20080, 1002879), (22590, 891448), (30120, 668586), (36144, 557155), (45180, 445724), (60240, 334293), (90360, 222862), (111431, 180720)]