31282800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 101481600

約数和(自身を除く): 70198800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 131, 150, 199, 200, 240, 262, 300, 393, 398, 400, 524, 597, 600, 655, 786, 796, 995, 1048, 1194, 1200, 1310, 1572, 1592, 1965, 1990, 2096, 2388, 2620, 2985, 3144, 3184, 3275, 3930, 3980, 4776, 4975, 5240, 5970, 6288, 6550, 7860, 7960, 9552, 9825, 9950, 10480, 11940, 13100, 14925, 15720, 15920, 19650, 19900, 23880, 26069, 26200, 29850, 31440, 39300, 39800, 47760, 52138, 52400, 59700, 78207, 78600, 79600, 104276, 119400, 130345, 156414, 157200, 208552, 238800, 260690, 312828, 391035, 417104, 521380, 625656, 651725, 782070, 1042760, 1251312, 1303450, 1564140, 1955175, 2085520, 2606900, 3128280, 3910350, 5213800, 6256560, 7820700, 10427600, 15641400, 31282800]

約数ペア:

[(1, 31282800), (2, 15641400), (3, 10427600), (4, 7820700), (5, 6256560), (6, 5213800), (8, 3910350), (10, 3128280), (12, 2606900), (15, 2085520), (16, 1955175), (20, 1564140), (24, 1303450), (25, 1251312), (30, 1042760), (40, 782070), (48, 651725), (50, 625656), (60, 521380), (75, 417104), (80, 391035), (100, 312828), (120, 260690), (131, 238800), (150, 208552), (199, 157200), (200, 156414), (240, 130345), (262, 119400), (300, 104276), (393, 79600), (398, 78600), (400, 78207), (524, 59700), (597, 52400), (600, 52138), (655, 47760), (786, 39800), (796, 39300), (995, 31440), (1048, 29850), (1194, 26200), (1200, 26069), (1310, 23880), (1572, 19900), (1592, 19650), (1965, 15920), (1990, 15720), (2096, 14925), (2388, 13100), (2620, 11940), (2985, 10480), (3144, 9950), (3184, 9825), (3275, 9552), (3930, 7960), (3980, 7860), (4776, 6550), (4975, 6288), (5240, 5970)]