205290240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 661422048

約数和(自身を除く): 456131808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 193, 240, 256, 277, 320, 384, 386, 480, 554, 579, 640, 768, 772, 831, 960, 965, 1108, 1158, 1280, 1385, 1544, 1662, 1920, 1930, 2216, 2316, 2770, 2895, 3088, 3324, 3840, 3860, 4155, 4432, 4632, 5540, 5790, 6176, 6648, 7720, 8310, 8864, 9264, 11080, 11580, 12352, 13296, 15440, 16620, 17728, 18528, 22160, 23160, 24704, 26592, 30880, 33240, 35456, 37056, 44320, 46320, 49408, 53184, 53461, 61760, 66480, 70912, 74112, 88640, 92640, 106368, 106922, 123520, 132960, 148224, 160383, 177280, 185280, 212736, 213844, 247040, 265920, 267305, 320766, 354560, 370560, 427688, 531840, 534610, 641532, 741120, 801915, 855376, 1063680, 1069220, 1283064, 1603830, 1710752, 2138440, 2566128, 3207660, 3421504, 4276880, 5132256, 6415320, 6843008, 8553760, 10264512, 12830640, 13686016, 17107520, 20529024, 25661280, 34215040, 41058048, 51322560, 68430080, 102645120, 205290240]

約数ペア:

[(1, 205290240), (2, 102645120), (3, 68430080), (4, 51322560), (5, 41058048), (6, 34215040), (8, 25661280), (10, 20529024), (12, 17107520), (15, 13686016), (16, 12830640), (20, 10264512), (24, 8553760), (30, 6843008), (32, 6415320), (40, 5132256), (48, 4276880), (60, 3421504), (64, 3207660), (80, 2566128), (96, 2138440), (120, 1710752), (128, 1603830), (160, 1283064), (192, 1069220), (193, 1063680), (240, 855376), (256, 801915), (277, 741120), (320, 641532), (384, 534610), (386, 531840), (480, 427688), (554, 370560), (579, 354560), (640, 320766), (768, 267305), (772, 265920), (831, 247040), (960, 213844), (965, 212736), (1108, 185280), (1158, 177280), (1280, 160383), (1385, 148224), (1544, 132960), (1662, 123520), (1920, 106922), (1930, 106368), (2216, 92640), (2316, 88640), (2770, 74112), (2895, 70912), (3088, 66480), (3324, 61760), (3840, 53461), (3860, 53184), (4155, 49408), (4432, 46320), (4632, 44320), (5540, 37056), (5790, 35456), (6176, 33240), (6648, 30880), (7720, 26592), (8310, 24704), (8864, 23160), (9264, 22160), (11080, 18528), (11580, 17728), (12352, 16620), (13296, 15440)]