21496452720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{183919}}^1$

素因数の和:184422

約数の個数: 80

約数和(自身を含む): 66776202240

約数和(自身を除く): 45279749520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 487, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7305, 7792, 9740, 11688, 14610, 19480, 23376, 29220, 38960, 58440, 116880, 183919, 367838, 551757, 735676, 919595, 1103514, 1471352, 1839190, 2207028, 2758785, 2942704, 3678380, 4414056, 5517570, 7356760, 8828112, 11035140, 14713520, 22070280, 44140560, 89568553, 179137106, 268705659, 358274212, 447842765, 537411318, 716548424, 895685530, 1074822636, 1343528295, 1433096848, 1791371060, 2149645272, 2687056590, 3582742120, 4299290544, 5374113180, 7165484240, 10748226360, 21496452720]

約数ペア:

[(1, 21496452720), (2, 10748226360), (3, 7165484240), (4, 5374113180), (5, 4299290544), (6, 3582742120), (8, 2687056590), (10, 2149645272), (12, 1791371060), (15, 1433096848), (16, 1343528295), (20, 1074822636), (24, 895685530), (30, 716548424), (40, 537411318), (48, 447842765), (60, 358274212), (80, 268705659), (120, 179137106), (240, 89568553), (487, 44140560), (974, 22070280), (1461, 14713520), (1948, 11035140), (2435, 8828112), (2922, 7356760), (3896, 5517570), (4870, 4414056), (5844, 3678380), (7305, 2942704), (7792, 2758785), (9740, 2207028), (11688, 1839190), (14610, 1471352), (19480, 1103514), (23376, 919595), (29220, 735676), (38960, 551757), (58440, 367838), (116880, 183919)]