1242720

素因数分解:

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

素因数の和:884

約数の個数: 72

約数和(自身を含む): 4245696

約数和(自身を除く): 3002976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 863, 1440, 1726, 2589, 3452, 4315, 5178, 6904, 7767, 8630, 10356, 12945, 13808, 15534, 17260, 20712, 25890, 27616, 31068, 34520, 38835, 41424, 51780, 62136, 69040, 77670, 82848, 103560, 124272, 138080, 155340, 207120, 248544, 310680, 414240, 621360, 1242720]

約数ペア:

[(1, 1242720), (2, 621360), (3, 414240), (4, 310680), (5, 248544), (6, 207120), (8, 155340), (9, 138080), (10, 124272), (12, 103560), (15, 82848), (16, 77670), (18, 69040), (20, 62136), (24, 51780), (30, 41424), (32, 38835), (36, 34520), (40, 31068), (45, 27616), (48, 25890), (60, 20712), (72, 17260), (80, 15534), (90, 13808), (96, 12945), (120, 10356), (144, 8630), (160, 7767), (180, 6904), (240, 5178), (288, 4315), (360, 3452), (480, 2589), (720, 1726), (863, 1440)]