204890560

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 168

約数和(自身を含む): 578540880

約数和(自身を除く): 373650320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 140, 146, 160, 179, 196, 224, 245, 280, 292, 320, 358, 365, 392, 448, 490, 511, 560, 584, 716, 730, 784, 895, 980, 1022, 1120, 1168, 1253, 1432, 1460, 1568, 1790, 1960, 2044, 2240, 2336, 2506, 2555, 2864, 2920, 3136, 3577, 3580, 3920, 4088, 4672, 5012, 5110, 5728, 5840, 6265, 7154, 7160, 7840, 8176, 8771, 10024, 10220, 11456, 11680, 12530, 13067, 14308, 14320, 15680, 16352, 17542, 17885, 20048, 20440, 23360, 25060, 26134, 28616, 28640, 32704, 35084, 35770, 40096, 40880, 43855, 50120, 52268, 57232, 57280, 65335, 70168, 71540, 80192, 81760, 87710, 91469, 100240, 104536, 114464, 130670, 140336, 143080, 163520, 175420, 182938, 200480, 209072, 228928, 261340, 280672, 286160, 350840, 365876, 400960, 418144, 457345, 522680, 561344, 572320, 640283, 701680, 731752, 836288, 914690, 1045360, 1144640, 1280566, 1403360, 1463504, 1829380, 2090720, 2561132, 2806720, 2927008, 3201415, 3658760, 4181440, 5122264, 5854016, 6402830, 7317520, 10244528, 12805660, 14635040, 20489056, 25611320, 29270080, 40978112, 51222640, 102445280, 204890560]

約数ペア:

[(1, 204890560), (2, 102445280), (4, 51222640), (5, 40978112), (7, 29270080), (8, 25611320), (10, 20489056), (14, 14635040), (16, 12805660), (20, 10244528), (28, 7317520), (32, 6402830), (35, 5854016), (40, 5122264), (49, 4181440), (56, 3658760), (64, 3201415), (70, 2927008), (73, 2806720), (80, 2561132), (98, 2090720), (112, 1829380), (140, 1463504), (146, 1403360), (160, 1280566), (179, 1144640), (196, 1045360), (224, 914690), (245, 836288), (280, 731752), (292, 701680), (320, 640283), (358, 572320), (365, 561344), (392, 522680), (448, 457345), (490, 418144), (511, 400960), (560, 365876), (584, 350840), (716, 286160), (730, 280672), (784, 261340), (895, 228928), (980, 209072), (1022, 200480), (1120, 182938), (1168, 175420), (1253, 163520), (1432, 143080), (1460, 140336), (1568, 130670), (1790, 114464), (1960, 104536), (2044, 100240), (2240, 91469), (2336, 87710), (2506, 81760), (2555, 80192), (2864, 71540), (2920, 70168), (3136, 65335), (3577, 57280), (3580, 57232), (3920, 52268), (4088, 50120), (4672, 43855), (5012, 40880), (5110, 40096), (5728, 35770), (5840, 35084), (6265, 32704), (7154, 28640), (7160, 28616), (7840, 26134), (8176, 25060), (8771, 23360), (10024, 20440), (10220, 20048), (11456, 17885), (11680, 17542), (12530, 16352), (13067, 15680), (14308, 14320)]