18640800

素因数分解:

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

素因数の和:892

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 48854880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 863, 864, 900, 1080, 1200, 1350, 1440, 1726, 1800, 2160, 2400, 2589, 2700, 3452, 3600, 4315, 4320, 5178, 5400, 6904, 7200, 7767, 8630, 10356, 10800, 12945, 13808, 15534, 17260, 20712, 21575, 21600, 23301, 25890, 27616, 31068, 34520, 38835, 41424, 43150, 46602, 51780, 62136, 64725, 69040, 77670, 82848, 86300, 93204, 103560, 116505, 124272, 129450, 138080, 155340, 172600, 186408, 194175, 207120, 233010, 248544, 258900, 310680, 345200, 372816, 388350, 414240, 466020, 517800, 582525, 621360, 690400, 745632, 776700, 932040, 1035600, 1165050, 1242720, 1553400, 1864080, 2071200, 2330100, 3106800, 3728160, 4660200, 6213600, 9320400, 18640800]

約数ペア:

[(1, 18640800), (2, 9320400), (3, 6213600), (4, 4660200), (5, 3728160), (6, 3106800), (8, 2330100), (9, 2071200), (10, 1864080), (12, 1553400), (15, 1242720), (16, 1165050), (18, 1035600), (20, 932040), (24, 776700), (25, 745632), (27, 690400), (30, 621360), (32, 582525), (36, 517800), (40, 466020), (45, 414240), (48, 388350), (50, 372816), (54, 345200), (60, 310680), (72, 258900), (75, 248544), (80, 233010), (90, 207120), (96, 194175), (100, 186408), (108, 172600), (120, 155340), (135, 138080), (144, 129450), (150, 124272), (160, 116505), (180, 103560), (200, 93204), (216, 86300), (225, 82848), (240, 77670), (270, 69040), (288, 64725), (300, 62136), (360, 51780), (400, 46602), (432, 43150), (450, 41424), (480, 38835), (540, 34520), (600, 31068), (675, 27616), (720, 25890), (800, 23301), (863, 21600), (864, 21575), (900, 20712), (1080, 17260), (1200, 15534), (1350, 13808), (1440, 12945), (1726, 10800), (1800, 10356), (2160, 8630), (2400, 7767), (2589, 7200), (2700, 6904), (3452, 5400), (3600, 5178), (4315, 4320)]