281042520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9257}}^1$

素因数の和:9305

約数の個数: 128

約数和(自身を含む): 959869440

約数和(自身を除く): 678826920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1265, 1320, 1380, 1518, 2024, 2530, 2760, 3036, 3795, 5060, 6072, 7590, 9257, 10120, 15180, 18514, 27771, 30360, 37028, 46285, 55542, 74056, 92570, 101827, 111084, 138855, 185140, 203654, 212911, 222168, 277710, 305481, 370280, 407308, 425822, 509135, 555420, 610962, 638733, 814616, 851644, 1018270, 1064555, 1110840, 1221924, 1277466, 1527405, 1703288, 2036540, 2129110, 2342021, 2443848, 2554932, 3054810, 3193665, 4073080, 4258220, 4684042, 5109864, 6109620, 6387330, 7026063, 8516440, 9368084, 11710105, 12219240, 12774660, 14052126, 18736168, 23420210, 25549320, 28104252, 35130315, 46840420, 56208504, 70260630, 93680840, 140521260, 281042520]

約数ペア:

[(1, 281042520), (2, 140521260), (3, 93680840), (4, 70260630), (5, 56208504), (6, 46840420), (8, 35130315), (10, 28104252), (11, 25549320), (12, 23420210), (15, 18736168), (20, 14052126), (22, 12774660), (23, 12219240), (24, 11710105), (30, 9368084), (33, 8516440), (40, 7026063), (44, 6387330), (46, 6109620), (55, 5109864), (60, 4684042), (66, 4258220), (69, 4073080), (88, 3193665), (92, 3054810), (110, 2554932), (115, 2443848), (120, 2342021), (132, 2129110), (138, 2036540), (165, 1703288), (184, 1527405), (220, 1277466), (230, 1221924), (253, 1110840), (264, 1064555), (276, 1018270), (330, 851644), (345, 814616), (440, 638733), (460, 610962), (506, 555420), (552, 509135), (660, 425822), (690, 407308), (759, 370280), (920, 305481), (1012, 277710), (1265, 222168), (1320, 212911), (1380, 203654), (1518, 185140), (2024, 138855), (2530, 111084), (2760, 101827), (3036, 92570), (3795, 74056), (5060, 55542), (6072, 46285), (7590, 37028), (9257, 30360), (10120, 27771), (15180, 18514)]