80166420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12037}}^1$

素因数の和:12089

約数の個数: 72

約数和(自身を含む): 249764424

約数和(自身を除く): 169598004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 12037, 24074, 36111, 48148, 60185, 72222, 108333, 120370, 144444, 180555, 216666, 240740, 361110, 433332, 445369, 541665, 722220, 890738, 1083330, 1336107, 1781476, 2166660, 2226845, 2672214, 4008321, 4453690, 5344428, 6680535, 8016642, 8907380, 13361070, 16033284, 20041605, 26722140, 40083210, 80166420]

約数ペア:

[(1, 80166420), (2, 40083210), (3, 26722140), (4, 20041605), (5, 16033284), (6, 13361070), (9, 8907380), (10, 8016642), (12, 6680535), (15, 5344428), (18, 4453690), (20, 4008321), (30, 2672214), (36, 2226845), (37, 2166660), (45, 1781476), (60, 1336107), (74, 1083330), (90, 890738), (111, 722220), (148, 541665), (180, 445369), (185, 433332), (222, 361110), (333, 240740), (370, 216666), (444, 180555), (555, 144444), (666, 120370), (740, 108333), (1110, 72222), (1332, 60185), (1665, 48148), (2220, 36111), (3330, 24074), (6660, 12037)]