253406720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 453690880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 179, 224, 256, 280, 316, 320, 358, 395, 448, 512, 553, 560, 632, 640, 716, 790, 895, 896, 1106, 1120, 1253, 1264, 1280, 1432, 1580, 1790, 1792, 2212, 2240, 2506, 2528, 2560, 2765, 2864, 3160, 3580, 3584, 4424, 4480, 5012, 5056, 5530, 5728, 6265, 6320, 7160, 8848, 8960, 10024, 10112, 11060, 11456, 12530, 12640, 14141, 14320, 17696, 17920, 20048, 20224, 22120, 22912, 25060, 25280, 28282, 28640, 35392, 40096, 40448, 44240, 45824, 50120, 50560, 56564, 57280, 70705, 70784, 80192, 88480, 91648, 98987, 100240, 101120, 113128, 114560, 141410, 141568, 160384, 176960, 197974, 200480, 202240, 226256, 229120, 282820, 283136, 320768, 353920, 395948, 400960, 452512, 458240, 494935, 565640, 641536, 707840, 791896, 801920, 905024, 989870, 1131280, 1415680, 1583792, 1603840, 1810048, 1979740, 2262560, 3167584, 3207680, 3620096, 3959480, 4525120, 6335168, 7240192, 7918960, 9050240, 12670336, 15837920, 18100480, 25340672, 31675840, 36200960, 50681344, 63351680, 126703360, 253406720]

約数ペア:

[(1, 253406720), (2, 126703360), (4, 63351680), (5, 50681344), (7, 36200960), (8, 31675840), (10, 25340672), (14, 18100480), (16, 15837920), (20, 12670336), (28, 9050240), (32, 7918960), (35, 7240192), (40, 6335168), (56, 4525120), (64, 3959480), (70, 3620096), (79, 3207680), (80, 3167584), (112, 2262560), (128, 1979740), (140, 1810048), (158, 1603840), (160, 1583792), (179, 1415680), (224, 1131280), (256, 989870), (280, 905024), (316, 801920), (320, 791896), (358, 707840), (395, 641536), (448, 565640), (512, 494935), (553, 458240), (560, 452512), (632, 400960), (640, 395948), (716, 353920), (790, 320768), (895, 283136), (896, 282820), (1106, 229120), (1120, 226256), (1253, 202240), (1264, 200480), (1280, 197974), (1432, 176960), (1580, 160384), (1790, 141568), (1792, 141410), (2212, 114560), (2240, 113128), (2506, 101120), (2528, 100240), (2560, 98987), (2765, 91648), (2864, 88480), (3160, 80192), (3580, 70784), (3584, 70705), (4424, 57280), (4480, 56564), (5012, 50560), (5056, 50120), (5530, 45824), (5728, 44240), (6265, 40448), (6320, 40096), (7160, 35392), (8848, 28640), (8960, 28282), (10024, 25280), (10112, 25060), (11060, 22912), (11456, 22120), (12530, 20224), (12640, 20048), (14141, 17920), (14320, 17696)]