12321880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 30182400

約数和(自身を除く): 17860520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 523, 589, 620, 760, 1046, 1178, 1240, 2092, 2356, 2615, 2945, 4184, 4712, 5230, 5890, 9937, 10460, 11780, 16213, 19874, 20920, 23560, 32426, 39748, 49685, 64852, 79496, 81065, 99370, 129704, 162130, 198740, 308047, 324260, 397480, 616094, 648520, 1232188, 1540235, 2464376, 3080470, 6160940, 12321880]

約数ペア:

[(1, 12321880), (2, 6160940), (4, 3080470), (5, 2464376), (8, 1540235), (10, 1232188), (19, 648520), (20, 616094), (31, 397480), (38, 324260), (40, 308047), (62, 198740), (76, 162130), (95, 129704), (124, 99370), (152, 81065), (155, 79496), (190, 64852), (248, 49685), (310, 39748), (380, 32426), (523, 23560), (589, 20920), (620, 19874), (760, 16213), (1046, 11780), (1178, 10460), (1240, 9937), (2092, 5890), (2356, 5230), (2615, 4712), (2945, 4184)]