128828520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15559}}^1$

素因数の和:15599

約数の個数: 96

約数和(自身を含む): 436924800

約数和(自身を除く): 308096280

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, 15559, 31118, 46677, 62236, 77795, 93354, 124472, 140031, 155590, 186708, 233385, 280062, 311180, 357857, 373416, 466770, 560124, 622360, 700155, 715714, 933540, 1073571, 1120248, 1400310, 1431428, 1789285, 1867080, 2147142, 2800620, 2862856, 3220713, 3578570, 4294284, 5367855, 5601240, 6441426, 7157140, 8588568, 10735710, 12882852, 14314280, 16103565, 21471420, 25765704, 32207130, 42942840, 64414260, 128828520]

約数ペア:

[(1, 128828520), (2, 64414260), (3, 42942840), (4, 32207130), (5, 25765704), (6, 21471420), (8, 16103565), (9, 14314280), (10, 12882852), (12, 10735710), (15, 8588568), (18, 7157140), (20, 6441426), (23, 5601240), (24, 5367855), (30, 4294284), (36, 3578570), (40, 3220713), (45, 2862856), (46, 2800620), (60, 2147142), (69, 1867080), (72, 1789285), (90, 1431428), (92, 1400310), (115, 1120248), (120, 1073571), (138, 933540), (180, 715714), (184, 700155), (207, 622360), (230, 560124), (276, 466770), (345, 373416), (360, 357857), (414, 311180), (460, 280062), (552, 233385), (690, 186708), (828, 155590), (920, 140031), (1035, 124472), (1380, 93354), (1656, 77795), (2070, 62236), (2760, 46677), (4140, 31118), (8280, 15559)]