28661280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 94820544

約数和(自身を除く): 66159264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 71, 80, 87, 96, 116, 120, 142, 145, 160, 174, 213, 232, 240, 284, 290, 348, 355, 426, 435, 464, 480, 568, 580, 696, 710, 841, 852, 870, 928, 1065, 1136, 1160, 1392, 1420, 1682, 1704, 1740, 2059, 2130, 2272, 2320, 2523, 2784, 2840, 3364, 3408, 3480, 4118, 4205, 4260, 4640, 5046, 5680, 6177, 6728, 6816, 6960, 8236, 8410, 8520, 10092, 10295, 11360, 12354, 12615, 13456, 13920, 16472, 16820, 17040, 20184, 20590, 24708, 25230, 26912, 30885, 32944, 33640, 34080, 40368, 41180, 49416, 50460, 59711, 61770, 65888, 67280, 80736, 82360, 98832, 100920, 119422, 123540, 134560, 164720, 179133, 197664, 201840, 238844, 247080, 298555, 329440, 358266, 403680, 477688, 494160, 597110, 716532, 895665, 955376, 988320, 1194220, 1433064, 1791330, 1910752, 2388440, 2866128, 3582660, 4776880, 5732256, 7165320, 9553760, 14330640, 28661280]

約数ペア:

[(1, 28661280), (2, 14330640), (3, 9553760), (4, 7165320), (5, 5732256), (6, 4776880), (8, 3582660), (10, 2866128), (12, 2388440), (15, 1910752), (16, 1791330), (20, 1433064), (24, 1194220), (29, 988320), (30, 955376), (32, 895665), (40, 716532), (48, 597110), (58, 494160), (60, 477688), (71, 403680), (80, 358266), (87, 329440), (96, 298555), (116, 247080), (120, 238844), (142, 201840), (145, 197664), (160, 179133), (174, 164720), (213, 134560), (232, 123540), (240, 119422), (284, 100920), (290, 98832), (348, 82360), (355, 80736), (426, 67280), (435, 65888), (464, 61770), (480, 59711), (568, 50460), (580, 49416), (696, 41180), (710, 40368), (841, 34080), (852, 33640), (870, 32944), (928, 30885), (1065, 26912), (1136, 25230), (1160, 24708), (1392, 20590), (1420, 20184), (1682, 17040), (1704, 16820), (1740, 16472), (2059, 13920), (2130, 13456), (2272, 12615), (2320, 12354), (2523, 11360), (2784, 10295), (2840, 10092), (3364, 8520), (3408, 8410), (3480, 8236), (4118, 6960), (4205, 6816), (4260, 6728), (4640, 6177), (5046, 5680)]