80218440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:963

約数の個数: 96

約数和(自身を含む): 261817920

約数和(自身を除く): 181599480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 443, 503, 886, 1006, 1329, 1509, 1772, 2012, 2215, 2515, 2658, 3018, 3544, 3987, 4024, 4430, 4527, 5030, 5316, 6036, 6645, 7545, 7974, 8860, 9054, 10060, 10632, 12072, 13290, 15090, 15948, 17720, 18108, 19935, 20120, 22635, 26580, 30180, 31896, 36216, 39870, 45270, 53160, 60360, 79740, 90540, 159480, 181080, 222829, 445658, 668487, 891316, 1114145, 1336974, 1782632, 2005461, 2228290, 2673948, 3342435, 4010922, 4456580, 5347896, 6684870, 8021844, 8913160, 10027305, 13369740, 16043688, 20054610, 26739480, 40109220, 80218440]

約数ペア:

[(1, 80218440), (2, 40109220), (3, 26739480), (4, 20054610), (5, 16043688), (6, 13369740), (8, 10027305), (9, 8913160), (10, 8021844), (12, 6684870), (15, 5347896), (18, 4456580), (20, 4010922), (24, 3342435), (30, 2673948), (36, 2228290), (40, 2005461), (45, 1782632), (60, 1336974), (72, 1114145), (90, 891316), (120, 668487), (180, 445658), (360, 222829), (443, 181080), (503, 159480), (886, 90540), (1006, 79740), (1329, 60360), (1509, 53160), (1772, 45270), (2012, 39870), (2215, 36216), (2515, 31896), (2658, 30180), (3018, 26580), (3544, 22635), (3987, 20120), (4024, 19935), (4430, 18108), (4527, 17720), (5030, 15948), (5316, 15090), (6036, 13290), (6645, 12072), (7545, 10632), (7974, 10060), (8860, 9054)]