21460800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 168

約数和(自身を含む): 74834496

約数和(自身を除く): 53373696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 192, 200, 204, 240, 255, 263, 272, 300, 320, 340, 400, 408, 425, 480, 510, 526, 544, 600, 680, 789, 800, 816, 850, 960, 1020, 1052, 1088, 1200, 1275, 1315, 1360, 1578, 1600, 1632, 1700, 2040, 2104, 2400, 2550, 2630, 2720, 3156, 3264, 3400, 3945, 4080, 4208, 4471, 4800, 5100, 5260, 5440, 6312, 6575, 6800, 7890, 8160, 8416, 8942, 10200, 10520, 12624, 13150, 13413, 13600, 15780, 16320, 16832, 17884, 19725, 20400, 21040, 22355, 25248, 26300, 26826, 27200, 31560, 35768, 39450, 40800, 42080, 44710, 50496, 52600, 53652, 63120, 67065, 71536, 78900, 81600, 84160, 89420, 105200, 107304, 111775, 126240, 134130, 143072, 157800, 178840, 210400, 214608, 223550, 252480, 268260, 286144, 315600, 335325, 357680, 420800, 429216, 447100, 536520, 631200, 670650, 715360, 858432, 894200, 1073040, 1262400, 1341300, 1430720, 1788400, 2146080, 2682600, 3576800, 4292160, 5365200, 7153600, 10730400, 21460800]

約数ペア:

[(1, 21460800), (2, 10730400), (3, 7153600), (4, 5365200), (5, 4292160), (6, 3576800), (8, 2682600), (10, 2146080), (12, 1788400), (15, 1430720), (16, 1341300), (17, 1262400), (20, 1073040), (24, 894200), (25, 858432), (30, 715360), (32, 670650), (34, 631200), (40, 536520), (48, 447100), (50, 429216), (51, 420800), (60, 357680), (64, 335325), (68, 315600), (75, 286144), (80, 268260), (85, 252480), (96, 223550), (100, 214608), (102, 210400), (120, 178840), (136, 157800), (150, 143072), (160, 134130), (170, 126240), (192, 111775), (200, 107304), (204, 105200), (240, 89420), (255, 84160), (263, 81600), (272, 78900), (300, 71536), (320, 67065), (340, 63120), (400, 53652), (408, 52600), (425, 50496), (480, 44710), (510, 42080), (526, 40800), (544, 39450), (600, 35768), (680, 31560), (789, 27200), (800, 26826), (816, 26300), (850, 25248), (960, 22355), (1020, 21040), (1052, 20400), (1088, 19725), (1200, 17884), (1275, 16832), (1315, 16320), (1360, 15780), (1578, 13600), (1600, 13413), (1632, 13150), (1700, 12624), (2040, 10520), (2104, 10200), (2400, 8942), (2550, 8416), (2630, 8160), (2720, 7890), (3156, 6800), (3264, 6575), (3400, 6312), (3945, 5440), (4080, 5260), (4208, 5100), (4471, 4800)]