28668240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1421

約数の個数: 120

約数和(自身を含む): 99669960

約数和(自身を除く): 71001720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1373, 1392, 1740, 2088, 2320, 2610, 2746, 3480, 4119, 4176, 5220, 5492, 6865, 6960, 8238, 10440, 10984, 12357, 13730, 16476, 20595, 20880, 21968, 24714, 27460, 32952, 39817, 41190, 49428, 54920, 61785, 65904, 79634, 82380, 98856, 109840, 119451, 123570, 159268, 164760, 197712, 199085, 238902, 247140, 318536, 329520, 358353, 398170, 477804, 494280, 597255, 637072, 716706, 796340, 955608, 988560, 1194510, 1433412, 1592680, 1791765, 1911216, 2389020, 2866824, 3185360, 3583530, 4778040, 5733648, 7167060, 9556080, 14334120, 28668240]

約数ペア:

[(1, 28668240), (2, 14334120), (3, 9556080), (4, 7167060), (5, 5733648), (6, 4778040), (8, 3583530), (9, 3185360), (10, 2866824), (12, 2389020), (15, 1911216), (16, 1791765), (18, 1592680), (20, 1433412), (24, 1194510), (29, 988560), (30, 955608), (36, 796340), (40, 716706), (45, 637072), (48, 597255), (58, 494280), (60, 477804), (72, 398170), (80, 358353), (87, 329520), (90, 318536), (116, 247140), (120, 238902), (144, 199085), (145, 197712), (174, 164760), (180, 159268), (232, 123570), (240, 119451), (261, 109840), (290, 98856), (348, 82380), (360, 79634), (435, 65904), (464, 61785), (522, 54920), (580, 49428), (696, 41190), (720, 39817), (870, 32952), (1044, 27460), (1160, 24714), (1305, 21968), (1373, 20880), (1392, 20595), (1740, 16476), (2088, 13730), (2320, 12357), (2610, 10984), (2746, 10440), (3480, 8238), (4119, 6960), (4176, 6865), (5220, 5492)]