19861200

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{613}}^1$

素因数の和:643

約数の個数: 150

約数和(自身を含む): 71396534

約数和(自身を除く): 51535334

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 270, 300, 324, 360, 400, 405, 432, 450, 540, 600, 613, 648, 675, 720, 810, 900, 1080, 1200, 1226, 1296, 1350, 1620, 1800, 1839, 2025, 2160, 2452, 2700, 3065, 3240, 3600, 3678, 4050, 4904, 5400, 5517, 6130, 6480, 7356, 8100, 9195, 9808, 10800, 11034, 12260, 14712, 15325, 16200, 16551, 18390, 22068, 24520, 27585, 29424, 30650, 32400, 33102, 36780, 44136, 45975, 49040, 49653, 55170, 61300, 66204, 73560, 82755, 88272, 91950, 99306, 110340, 122600, 132408, 137925, 147120, 165510, 183900, 198612, 220680, 245200, 248265, 264816, 275850, 331020, 367800, 397224, 413775, 441360, 496530, 551700, 662040, 735600, 794448, 827550, 993060, 1103400, 1241325, 1324080, 1655100, 1986120, 2206800, 2482650, 3310200, 3972240, 4965300, 6620400, 9930600, 19861200]

約数ペア:

[(1, 19861200), (2, 9930600), (3, 6620400), (4, 4965300), (5, 3972240), (6, 3310200), (8, 2482650), (9, 2206800), (10, 1986120), (12, 1655100), (15, 1324080), (16, 1241325), (18, 1103400), (20, 993060), (24, 827550), (25, 794448), (27, 735600), (30, 662040), (36, 551700), (40, 496530), (45, 441360), (48, 413775), (50, 397224), (54, 367800), (60, 331020), (72, 275850), (75, 264816), (80, 248265), (81, 245200), (90, 220680), (100, 198612), (108, 183900), (120, 165510), (135, 147120), (144, 137925), (150, 132408), (162, 122600), (180, 110340), (200, 99306), (216, 91950), (225, 88272), (240, 82755), (270, 73560), (300, 66204), (324, 61300), (360, 55170), (400, 49653), (405, 49040), (432, 45975), (450, 44136), (540, 36780), (600, 33102), (613, 32400), (648, 30650), (675, 29424), (720, 27585), (810, 24520), (900, 22068), (1080, 18390), (1200, 16551), (1226, 16200), (1296, 15325), (1350, 14712), (1620, 12260), (1800, 11034), (1839, 10800), (2025, 9808), (2160, 9195), (2452, 8100), (2700, 7356), (3065, 6480), (3240, 6130), (3600, 5517), (3678, 5400), (4050, 4904)]