215438640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16937}}^1$

素因数の和:17006

約数の個数: 80

約数和(自身を含む): 680501088

約数和(自身を除く): 465062448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 12720, 16937, 33874, 50811, 67748, 84685, 101622, 135496, 169370, 203244, 254055, 270992, 338740, 406488, 508110, 677480, 812976, 897661, 1016220, 1354960, 1795322, 2032440, 2692983, 3590644, 4064880, 4488305, 5385966, 7181288, 8976610, 10771932, 13464915, 14362576, 17953220, 21543864, 26929830, 35906440, 43087728, 53859660, 71812880, 107719320, 215438640]

約数ペア:

[(1, 215438640), (2, 107719320), (3, 71812880), (4, 53859660), (5, 43087728), (6, 35906440), (8, 26929830), (10, 21543864), (12, 17953220), (15, 14362576), (16, 13464915), (20, 10771932), (24, 8976610), (30, 7181288), (40, 5385966), (48, 4488305), (53, 4064880), (60, 3590644), (80, 2692983), (106, 2032440), (120, 1795322), (159, 1354960), (212, 1016220), (240, 897661), (265, 812976), (318, 677480), (424, 508110), (530, 406488), (636, 338740), (795, 270992), (848, 254055), (1060, 203244), (1272, 169370), (1590, 135496), (2120, 101622), (2544, 84685), (3180, 67748), (4240, 50811), (6360, 33874), (12720, 16937)]