27996240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 87458688

約数和(自身を除く): 59462448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 743, 785, 942, 1256, 1486, 1570, 1884, 2229, 2355, 2512, 2972, 3140, 3715, 3768, 4458, 4710, 5944, 6280, 7430, 7536, 8916, 9420, 11145, 11888, 12560, 14860, 17832, 18840, 22290, 29720, 35664, 37680, 44580, 59440, 89160, 116651, 178320, 233302, 349953, 466604, 583255, 699906, 933208, 1166510, 1399812, 1749765, 1866416, 2333020, 2799624, 3499530, 4666040, 5599248, 6999060, 9332080, 13998120, 27996240]

約数ペア:

[(1, 27996240), (2, 13998120), (3, 9332080), (4, 6999060), (5, 5599248), (6, 4666040), (8, 3499530), (10, 2799624), (12, 2333020), (15, 1866416), (16, 1749765), (20, 1399812), (24, 1166510), (30, 933208), (40, 699906), (48, 583255), (60, 466604), (80, 349953), (120, 233302), (157, 178320), (240, 116651), (314, 89160), (471, 59440), (628, 44580), (743, 37680), (785, 35664), (942, 29720), (1256, 22290), (1486, 18840), (1570, 17832), (1884, 14860), (2229, 12560), (2355, 11888), (2512, 11145), (2972, 9420), (3140, 8916), (3715, 7536), (3768, 7430), (4458, 6280), (4710, 5944)]