280800

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{13}}^1$

素因数の和:42

約数の個数: 144

約数和(自身を含む): 1093680

約数和(自身を除く): 812880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 108, 117, 120, 130, 135, 144, 150, 156, 160, 180, 195, 200, 208, 216, 225, 234, 240, 260, 270, 288, 300, 312, 325, 351, 360, 390, 400, 416, 432, 450, 468, 480, 520, 540, 585, 600, 624, 650, 675, 702, 720, 780, 800, 864, 900, 936, 975, 1040, 1080, 1170, 1200, 1248, 1300, 1350, 1404, 1440, 1560, 1755, 1800, 1872, 1950, 2080, 2160, 2340, 2400, 2600, 2700, 2808, 2925, 3120, 3510, 3600, 3744, 3900, 4320, 4680, 5200, 5400, 5616, 5850, 6240, 7020, 7200, 7800, 8775, 9360, 10400, 10800, 11232, 11700, 14040, 15600, 17550, 18720, 21600, 23400, 28080, 31200, 35100, 46800, 56160, 70200, 93600, 140400, 280800]

約数ペア:

[(1, 280800), (2, 140400), (3, 93600), (4, 70200), (5, 56160), (6, 46800), (8, 35100), (9, 31200), (10, 28080), (12, 23400), (13, 21600), (15, 18720), (16, 17550), (18, 15600), (20, 14040), (24, 11700), (25, 11232), (26, 10800), (27, 10400), (30, 9360), (32, 8775), (36, 7800), (39, 7200), (40, 7020), (45, 6240), (48, 5850), (50, 5616), (52, 5400), (54, 5200), (60, 4680), (65, 4320), (72, 3900), (75, 3744), (78, 3600), (80, 3510), (90, 3120), (96, 2925), (100, 2808), (104, 2700), (108, 2600), (117, 2400), (120, 2340), (130, 2160), (135, 2080), (144, 1950), (150, 1872), (156, 1800), (160, 1755), (180, 1560), (195, 1440), (200, 1404), (208, 1350), (216, 1300), (225, 1248), (234, 1200), (240, 1170), (260, 1080), (270, 1040), (288, 975), (300, 936), (312, 900), (325, 864), (351, 800), (360, 780), (390, 720), (400, 702), (416, 675), (432, 650), (450, 624), (468, 600), (480, 585), (520, 540)]