128070840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8147}}^1$

素因数の和:8292

約数の個数: 64

約数和(自身を含む): 387192960

約数和(自身を除く): 259122120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 8147, 15720, 16294, 24441, 32588, 40735, 48882, 65176, 81470, 97764, 122205, 162940, 195528, 244410, 325880, 488820, 977640, 1067257, 2134514, 3201771, 4269028, 5336285, 6403542, 8538056, 10672570, 12807084, 16008855, 21345140, 25614168, 32017710, 42690280, 64035420, 128070840]

約数ペア:

[(1, 128070840), (2, 64035420), (3, 42690280), (4, 32017710), (5, 25614168), (6, 21345140), (8, 16008855), (10, 12807084), (12, 10672570), (15, 8538056), (20, 6403542), (24, 5336285), (30, 4269028), (40, 3201771), (60, 2134514), (120, 1067257), (131, 977640), (262, 488820), (393, 325880), (524, 244410), (655, 195528), (786, 162940), (1048, 122205), (1310, 97764), (1572, 81470), (1965, 65176), (2620, 48882), (3144, 40735), (3930, 32588), (5240, 24441), (7860, 16294), (8147, 15720)]