561530280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6631

約数の個数: 128

約数和(自身を含む): 1814814720

約数和(自身を除く): 1253284440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 3565, 3720, 4278, 5704, 6563, 7130, 8556, 10695, 13126, 14260, 17112, 19689, 21390, 26252, 28520, 32815, 39378, 42780, 52504, 65630, 78756, 85560, 98445, 131260, 150949, 157512, 196890, 203453, 262520, 301898, 393780, 406906, 452847, 603796, 610359, 754745, 787560, 813812, 905694, 1017265, 1207592, 1220718, 1509490, 1627624, 1811388, 2034530, 2264235, 2441436, 3018980, 3051795, 3622776, 4069060, 4528470, 4679419, 4882872, 6037960, 6103590, 8138120, 9056940, 9358838, 12207180, 14038257, 18113880, 18717676, 23397095, 24414360, 28076514, 37435352, 46794190, 56153028, 70191285, 93588380, 112306056, 140382570, 187176760, 280765140, 561530280]

約数ペア:

[(1, 561530280), (2, 280765140), (3, 187176760), (4, 140382570), (5, 112306056), (6, 93588380), (8, 70191285), (10, 56153028), (12, 46794190), (15, 37435352), (20, 28076514), (23, 24414360), (24, 23397095), (30, 18717676), (31, 18113880), (40, 14038257), (46, 12207180), (60, 9358838), (62, 9056940), (69, 8138120), (92, 6103590), (93, 6037960), (115, 4882872), (120, 4679419), (124, 4528470), (138, 4069060), (155, 3622776), (184, 3051795), (186, 3018980), (230, 2441436), (248, 2264235), (276, 2034530), (310, 1811388), (345, 1627624), (372, 1509490), (460, 1220718), (465, 1207592), (552, 1017265), (620, 905694), (690, 813812), (713, 787560), (744, 754745), (920, 610359), (930, 603796), (1240, 452847), (1380, 406906), (1426, 393780), (1860, 301898), (2139, 262520), (2760, 203453), (2852, 196890), (3565, 157512), (3720, 150949), (4278, 131260), (5704, 98445), (6563, 85560), (7130, 78756), (8556, 65630), (10695, 52504), (13126, 42780), (14260, 39378), (17112, 32815), (19689, 28520), (21390, 26252)]