28456560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3593}}^1$

素因数の和:3623

約数の個数: 120

約数和(自身を含む): 104283504

約数和(自身を除く): 75826944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3593, 3960, 7186, 7920, 10779, 14372, 17965, 21558, 28744, 32337, 35930, 39523, 43116, 53895, 57488, 64674, 71860, 79046, 86232, 107790, 118569, 129348, 143720, 158092, 161685, 172464, 197615, 215580, 237138, 258696, 287440, 316184, 323370, 355707, 395230, 431160, 474276, 517392, 592845, 632368, 646740, 711414, 790460, 862320, 948552, 1185690, 1293480, 1422828, 1580920, 1778535, 1897104, 2371380, 2586960, 2845656, 3161840, 3557070, 4742760, 5691312, 7114140, 9485520, 14228280, 28456560]

約数ペア:

[(1, 28456560), (2, 14228280), (3, 9485520), (4, 7114140), (5, 5691312), (6, 4742760), (8, 3557070), (9, 3161840), (10, 2845656), (11, 2586960), (12, 2371380), (15, 1897104), (16, 1778535), (18, 1580920), (20, 1422828), (22, 1293480), (24, 1185690), (30, 948552), (33, 862320), (36, 790460), (40, 711414), (44, 646740), (45, 632368), (48, 592845), (55, 517392), (60, 474276), (66, 431160), (72, 395230), (80, 355707), (88, 323370), (90, 316184), (99, 287440), (110, 258696), (120, 237138), (132, 215580), (144, 197615), (165, 172464), (176, 161685), (180, 158092), (198, 143720), (220, 129348), (240, 118569), (264, 107790), (330, 86232), (360, 79046), (396, 71860), (440, 64674), (495, 57488), (528, 53895), (660, 43116), (720, 39523), (792, 35930), (880, 32337), (990, 28744), (1320, 21558), (1584, 17965), (1980, 14372), (2640, 10779), (3593, 7920), (3960, 7186)]