638050560

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{3391}}^1$

素因数の和:3429

約数の個数: 216

約数和(自身を含む): 2371170816

約数和(自身を除く): 1733120256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3391, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6720, 6782, 7840, 8960, 9408, 10173, 11760, 12544, 13440, 13564, 15680, 16955, 18816, 20346, 23520, 23737, 26880, 27128, 31360, 33910, 37632, 40692, 47040, 47474, 50865, 54256, 62720, 67820, 71211, 81384, 94080, 94948, 101730, 108512, 118685, 135640, 142422, 162768, 166159, 188160, 189896, 203460, 217024, 237370, 271280, 284844, 325536, 332318, 356055, 379792, 406920, 434048, 474740, 498477, 542560, 569688, 651072, 664636, 712110, 759584, 813840, 830795, 868096, 949480, 996954, 1085120, 1139376, 1302144, 1329272, 1424220, 1519168, 1627680, 1661590, 1898960, 1993908, 2170240, 2278752, 2492385, 2604288, 2658544, 2848440, 3038336, 3255360, 3323180, 3797920, 3987816, 4340480, 4557504, 4984770, 5317088, 5696880, 6076672, 6510720, 6646360, 7595840, 7975632, 9115008, 9969540, 10634176, 11393760, 13021440, 13292720, 15191680, 15951264, 18230016, 19939080, 21268352, 22787520, 26585440, 30383360, 31902528, 39878160, 42536704, 45575040, 53170880, 63805056, 79756320, 91150080, 106341760, 127610112, 159512640, 212683520, 319025280, 638050560]

約数ペア:

[(1, 638050560), (2, 319025280), (3, 212683520), (4, 159512640), (5, 127610112), (6, 106341760), (7, 91150080), (8, 79756320), (10, 63805056), (12, 53170880), (14, 45575040), (15, 42536704), (16, 39878160), (20, 31902528), (21, 30383360), (24, 26585440), (28, 22787520), (30, 21268352), (32, 19939080), (35, 18230016), (40, 15951264), (42, 15191680), (48, 13292720), (49, 13021440), (56, 11393760), (60, 10634176), (64, 9969540), (70, 9115008), (80, 7975632), (84, 7595840), (96, 6646360), (98, 6510720), (105, 6076672), (112, 5696880), (120, 5317088), (128, 4984770), (140, 4557504), (147, 4340480), (160, 3987816), (168, 3797920), (192, 3323180), (196, 3255360), (210, 3038336), (224, 2848440), (240, 2658544), (245, 2604288), (256, 2492385), (280, 2278752), (294, 2170240), (320, 1993908), (336, 1898960), (384, 1661590), (392, 1627680), (420, 1519168), (448, 1424220), (480, 1329272), (490, 1302144), (560, 1139376), (588, 1085120), (640, 996954), (672, 949480), (735, 868096), (768, 830795), (784, 813840), (840, 759584), (896, 712110), (960, 664636), (980, 651072), (1120, 569688), (1176, 542560), (1280, 498477), (1344, 474740), (1470, 434048), (1568, 406920), (1680, 379792), (1792, 356055), (1920, 332318), (1960, 325536), (2240, 284844), (2352, 271280), (2688, 237370), (2940, 217024), (3136, 203460), (3360, 189896), (3391, 188160), (3840, 166159), (3920, 162768), (4480, 142422), (4704, 135640), (5376, 118685), (5880, 108512), (6272, 101730), (6720, 94948), (6782, 94080), (7840, 81384), (8960, 71211), (9408, 67820), (10173, 62720), (11760, 54256), (12544, 50865), (13440, 47474), (13564, 47040), (15680, 40692), (16955, 37632), (18816, 33910), (20346, 31360), (23520, 27128), (23737, 26880)]