1287476520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42407}}^1$

素因数の和:42455

約数の個数: 128

約数和(自身を含む): 4396861440

約数和(自身を除く): 3109384920

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, 10120, 15180, 30360, 42407, 84814, 127221, 169628, 212035, 254442, 339256, 424070, 466477, 508884, 636105, 848140, 932954, 975361, 1017768, 1272210, 1399431, 1696280, 1865908, 1950722, 2332385, 2544420, 2798862, 2926083, 3731816, 3901444, 4664770, 4876805, 5088840, 5597724, 5852166, 6997155, 7802888, 9329540, 9753610, 10728971, 11195448, 11704332, 13994310, 14630415, 18659080, 19507220, 21457942, 23408664, 27988620, 29260830, 32186913, 39014440, 42915884, 53644855, 55977240, 58521660, 64373826, 85831768, 107289710, 117043320, 128747652, 160934565, 214579420, 257495304, 321869130, 429158840, 643738260, 1287476520]

約数ペア:

[(1, 1287476520), (2, 643738260), (3, 429158840), (4, 321869130), (5, 257495304), (6, 214579420), (8, 160934565), (10, 128747652), (11, 117043320), (12, 107289710), (15, 85831768), (20, 64373826), (22, 58521660), (23, 55977240), (24, 53644855), (30, 42915884), (33, 39014440), (40, 32186913), (44, 29260830), (46, 27988620), (55, 23408664), (60, 21457942), (66, 19507220), (69, 18659080), (88, 14630415), (92, 13994310), (110, 11704332), (115, 11195448), (120, 10728971), (132, 9753610), (138, 9329540), (165, 7802888), (184, 6997155), (220, 5852166), (230, 5597724), (253, 5088840), (264, 4876805), (276, 4664770), (330, 3901444), (345, 3731816), (440, 2926083), (460, 2798862), (506, 2544420), (552, 2332385), (660, 1950722), (690, 1865908), (759, 1696280), (920, 1399431), (1012, 1272210), (1265, 1017768), (1320, 975361), (1380, 932954), (1518, 848140), (2024, 636105), (2530, 508884), (2760, 466477), (3036, 424070), (3795, 339256), (5060, 254442), (6072, 212035), (7590, 169628), (10120, 127221), (15180, 84814), (30360, 42407)]