21440400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 120

約数和(自身を含む): 72789984

約数和(自身を除く): 51349584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 1020, 1051, 1200, 1275, 1360, 1700, 2040, 2102, 2550, 3153, 3400, 4080, 4204, 5100, 5255, 6306, 6800, 8408, 10200, 10510, 12612, 15765, 16816, 17867, 20400, 21020, 25224, 26275, 31530, 35734, 42040, 50448, 52550, 53601, 63060, 71468, 78825, 84080, 89335, 105100, 107202, 126120, 142936, 157650, 178670, 210200, 214404, 252240, 268005, 285872, 315300, 357340, 420400, 428808, 446675, 536010, 630600, 714680, 857616, 893350, 1072020, 1261200, 1340025, 1429360, 1786700, 2144040, 2680050, 3573400, 4288080, 5360100, 7146800, 10720200, 21440400]

約数ペア:

[(1, 21440400), (2, 10720200), (3, 7146800), (4, 5360100), (5, 4288080), (6, 3573400), (8, 2680050), (10, 2144040), (12, 1786700), (15, 1429360), (16, 1340025), (17, 1261200), (20, 1072020), (24, 893350), (25, 857616), (30, 714680), (34, 630600), (40, 536010), (48, 446675), (50, 428808), (51, 420400), (60, 357340), (68, 315300), (75, 285872), (80, 268005), (85, 252240), (100, 214404), (102, 210200), (120, 178670), (136, 157650), (150, 142936), (170, 126120), (200, 107202), (204, 105100), (240, 89335), (255, 84080), (272, 78825), (300, 71468), (340, 63060), (400, 53601), (408, 52550), (425, 50448), (510, 42040), (600, 35734), (680, 31530), (816, 26275), (850, 25224), (1020, 21020), (1051, 20400), (1200, 17867), (1275, 16816), (1360, 15765), (1700, 12612), (2040, 10510), (2102, 10200), (2550, 8408), (3153, 6800), (3400, 6306), (4080, 5255), (4204, 5100)]