15663560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 38949120

約数和(自身を除く): 23285560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 367, 388, 440, 485, 734, 776, 970, 1067, 1468, 1835, 1940, 2134, 2936, 3670, 3880, 4037, 4268, 5335, 7340, 8074, 8536, 10670, 14680, 16148, 20185, 21340, 32296, 35599, 40370, 42680, 71198, 80740, 142396, 161480, 177995, 284792, 355990, 391589, 711980, 783178, 1423960, 1566356, 1957945, 3132712, 3915890, 7831780, 15663560]

約数ペア:

[(1, 15663560), (2, 7831780), (4, 3915890), (5, 3132712), (8, 1957945), (10, 1566356), (11, 1423960), (20, 783178), (22, 711980), (40, 391589), (44, 355990), (55, 284792), (88, 177995), (97, 161480), (110, 142396), (194, 80740), (220, 71198), (367, 42680), (388, 40370), (440, 35599), (485, 32296), (734, 21340), (776, 20185), (970, 16148), (1067, 14680), (1468, 10670), (1835, 8536), (1940, 8074), (2134, 7340), (2936, 5335), (3670, 4268), (3880, 4037)]