180689880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{857}}^1$

素因数の和:1129

約数の個数: 128

約数和(自身を含む): 622702080

約数和(自身を除く): 442012200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 420, 502, 753, 840, 857, 1004, 1255, 1506, 1714, 1757, 2008, 2510, 2571, 3012, 3428, 3514, 3765, 4285, 5020, 5142, 5271, 5999, 6024, 6856, 7028, 7530, 8570, 8785, 10040, 10284, 10542, 11998, 12855, 14056, 15060, 17140, 17570, 17997, 20568, 21084, 23996, 25710, 26355, 29995, 30120, 34280, 35140, 35994, 42168, 47992, 51420, 52710, 59990, 70280, 71988, 89985, 102840, 105420, 119980, 143976, 179970, 210840, 215107, 239960, 359940, 430214, 645321, 719880, 860428, 1075535, 1290642, 1505749, 1720856, 2151070, 2581284, 3011498, 3226605, 4302140, 4517247, 5162568, 6022996, 6453210, 7528745, 8604280, 9034494, 12045992, 12906420, 15057490, 18068988, 22586235, 25812840, 30114980, 36137976, 45172470, 60229960, 90344940, 180689880]

約数ペア:

[(1, 180689880), (2, 90344940), (3, 60229960), (4, 45172470), (5, 36137976), (6, 30114980), (7, 25812840), (8, 22586235), (10, 18068988), (12, 15057490), (14, 12906420), (15, 12045992), (20, 9034494), (21, 8604280), (24, 7528745), (28, 6453210), (30, 6022996), (35, 5162568), (40, 4517247), (42, 4302140), (56, 3226605), (60, 3011498), (70, 2581284), (84, 2151070), (105, 1720856), (120, 1505749), (140, 1290642), (168, 1075535), (210, 860428), (251, 719880), (280, 645321), (420, 430214), (502, 359940), (753, 239960), (840, 215107), (857, 210840), (1004, 179970), (1255, 143976), (1506, 119980), (1714, 105420), (1757, 102840), (2008, 89985), (2510, 71988), (2571, 70280), (3012, 59990), (3428, 52710), (3514, 51420), (3765, 47992), (4285, 42168), (5020, 35994), (5142, 35140), (5271, 34280), (5999, 30120), (6024, 29995), (6856, 26355), (7028, 25710), (7530, 23996), (8570, 21084), (8785, 20568), (10040, 17997), (10284, 17570), (10542, 17140), (11998, 15060), (12855, 14056)]