128520120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24907}}^1$

素因数の和:24964

約数の個数: 64

約数和(自身を含む): 394542720

約数和(自身を除く): 266022600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 24907, 49814, 74721, 99628, 124535, 149442, 199256, 249070, 298884, 373605, 498140, 597768, 747210, 996280, 1071001, 1494420, 2142002, 2988840, 3213003, 4284004, 5355005, 6426006, 8568008, 10710010, 12852012, 16065015, 21420020, 25704024, 32130030, 42840040, 64260060, 128520120]

約数ペア:

[(1, 128520120), (2, 64260060), (3, 42840040), (4, 32130030), (5, 25704024), (6, 21420020), (8, 16065015), (10, 12852012), (12, 10710010), (15, 8568008), (20, 6426006), (24, 5355005), (30, 4284004), (40, 3213003), (43, 2988840), (60, 2142002), (86, 1494420), (120, 1071001), (129, 996280), (172, 747210), (215, 597768), (258, 498140), (344, 373605), (430, 298884), (516, 249070), (645, 199256), (860, 149442), (1032, 124535), (1290, 99628), (1720, 74721), (2580, 49814), (5160, 24907)]