40802640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 127277568

約数和(自身を除く): 86474928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 863, 985, 1182, 1576, 1726, 1970, 2364, 2589, 2955, 3152, 3452, 3940, 4315, 4728, 5178, 5910, 6904, 7880, 8630, 9456, 10356, 11820, 12945, 13808, 15760, 17260, 20712, 23640, 25890, 34520, 41424, 47280, 51780, 69040, 103560, 170011, 207120, 340022, 510033, 680044, 850055, 1020066, 1360088, 1700110, 2040132, 2550165, 2720176, 3400220, 4080264, 5100330, 6800440, 8160528, 10200660, 13600880, 20401320, 40802640]

約数ペア:

[(1, 40802640), (2, 20401320), (3, 13600880), (4, 10200660), (5, 8160528), (6, 6800440), (8, 5100330), (10, 4080264), (12, 3400220), (15, 2720176), (16, 2550165), (20, 2040132), (24, 1700110), (30, 1360088), (40, 1020066), (48, 850055), (60, 680044), (80, 510033), (120, 340022), (197, 207120), (240, 170011), (394, 103560), (591, 69040), (788, 51780), (863, 47280), (985, 41424), (1182, 34520), (1576, 25890), (1726, 23640), (1970, 20712), (2364, 17260), (2589, 15760), (2955, 13808), (3152, 12945), (3452, 11820), (3940, 10356), (4315, 9456), (4728, 8630), (5178, 7880), (5910, 6904)]