268618720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1747}}^1$

素因数の和:1824

約数の個数: 72

約数和(自身を含む): 656118792

約数和(自身を除く): 387500072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1747, 1922, 2480, 3494, 3844, 4805, 4960, 6988, 7688, 8735, 9610, 13976, 15376, 17470, 19220, 27952, 30752, 34940, 38440, 54157, 55904, 69880, 76880, 108314, 139760, 153760, 216628, 270785, 279520, 433256, 541570, 866512, 1083140, 1678867, 1733024, 2166280, 3357734, 4332560, 6715468, 8394335, 8665120, 13430936, 16788670, 26861872, 33577340, 53723744, 67154680, 134309360, 268618720]

約数ペア:

[(1, 268618720), (2, 134309360), (4, 67154680), (5, 53723744), (8, 33577340), (10, 26861872), (16, 16788670), (20, 13430936), (31, 8665120), (32, 8394335), (40, 6715468), (62, 4332560), (80, 3357734), (124, 2166280), (155, 1733024), (160, 1678867), (248, 1083140), (310, 866512), (496, 541570), (620, 433256), (961, 279520), (992, 270785), (1240, 216628), (1747, 153760), (1922, 139760), (2480, 108314), (3494, 76880), (3844, 69880), (4805, 55904), (4960, 54157), (6988, 38440), (7688, 34940), (8735, 30752), (9610, 27952), (13976, 19220), (15376, 17470)]