128431080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15511}}^1$

素因数の和:15551

約数の個数: 96

約数和(自身を含む): 435576960

約数和(自身を除く): 307145880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 15511, 31022, 46533, 62044, 77555, 93066, 124088, 139599, 155110, 186132, 232665, 279198, 310220, 356753, 372264, 465330, 558396, 620440, 697995, 713506, 930660, 1070259, 1116792, 1395990, 1427012, 1783765, 1861320, 2140518, 2791980, 2854024, 3210777, 3567530, 4281036, 5351295, 5583960, 6421554, 7135060, 8562072, 10702590, 12843108, 14270120, 16053885, 21405180, 25686216, 32107770, 42810360, 64215540, 128431080]

約数ペア:

[(1, 128431080), (2, 64215540), (3, 42810360), (4, 32107770), (5, 25686216), (6, 21405180), (8, 16053885), (9, 14270120), (10, 12843108), (12, 10702590), (15, 8562072), (18, 7135060), (20, 6421554), (23, 5583960), (24, 5351295), (30, 4281036), (36, 3567530), (40, 3210777), (45, 2854024), (46, 2791980), (60, 2140518), (69, 1861320), (72, 1783765), (90, 1427012), (92, 1395990), (115, 1116792), (120, 1070259), (138, 930660), (180, 713506), (184, 697995), (207, 620440), (230, 558396), (276, 465330), (345, 372264), (360, 356753), (414, 310220), (460, 279198), (552, 232665), (690, 186132), (828, 155110), (920, 139599), (1035, 124088), (1380, 93066), (1656, 77555), (2070, 62044), (2760, 46533), (4140, 31022), (8280, 15511)]