1242967040

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:550

約数の個数: 176

約数和(自身を含む): 3458611200

約数和(自身を除く): 2215644160

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, 224, 256, 280, 316, 320, 395, 439, 448, 512, 553, 560, 632, 640, 790, 878, 896, 1024, 1106, 1120, 1264, 1280, 1580, 1756, 1792, 2195, 2212, 2240, 2528, 2560, 2765, 3073, 3160, 3512, 3584, 4390, 4424, 4480, 5056, 5120, 5530, 6146, 6320, 7024, 7168, 8780, 8848, 8960, 10112, 11060, 12292, 12640, 14048, 15365, 17560, 17696, 17920, 20224, 22120, 24584, 25280, 28096, 30730, 34681, 35120, 35392, 35840, 40448, 44240, 49168, 50560, 56192, 61460, 69362, 70240, 70784, 80896, 88480, 98336, 101120, 112384, 122920, 138724, 140480, 141568, 173405, 176960, 196672, 202240, 224768, 242767, 245840, 277448, 280960, 283136, 346810, 353920, 393344, 404480, 449536, 485534, 491680, 554896, 561920, 566272, 693620, 707840, 786688, 971068, 983360, 1109792, 1123840, 1213835, 1387240, 1415680, 1573376, 1942136, 1966720, 2219584, 2247680, 2427670, 2774480, 2831360, 3146752, 3884272, 3933440, 4439168, 4855340, 5548960, 7768544, 7866880, 8878336, 9710680, 11097920, 15537088, 15733760, 17756672, 19421360, 22195840, 31074176, 35513344, 38842720, 44391680, 62148352, 77685440, 88783360, 124296704, 155370880, 177566720, 248593408, 310741760, 621483520, 1242967040]

約数ペア:

[(1, 1242967040), (2, 621483520), (4, 310741760), (5, 248593408), (7, 177566720), (8, 155370880), (10, 124296704), (14, 88783360), (16, 77685440), (20, 62148352), (28, 44391680), (32, 38842720), (35, 35513344), (40, 31074176), (56, 22195840), (64, 19421360), (70, 17756672), (79, 15733760), (80, 15537088), (112, 11097920), (128, 9710680), (140, 8878336), (158, 7866880), (160, 7768544), (224, 5548960), (256, 4855340), (280, 4439168), (316, 3933440), (320, 3884272), (395, 3146752), (439, 2831360), (448, 2774480), (512, 2427670), (553, 2247680), (560, 2219584), (632, 1966720), (640, 1942136), (790, 1573376), (878, 1415680), (896, 1387240), (1024, 1213835), (1106, 1123840), (1120, 1109792), (1264, 983360), (1280, 971068), (1580, 786688), (1756, 707840), (1792, 693620), (2195, 566272), (2212, 561920), (2240, 554896), (2528, 491680), (2560, 485534), (2765, 449536), (3073, 404480), (3160, 393344), (3512, 353920), (3584, 346810), (4390, 283136), (4424, 280960), (4480, 277448), (5056, 245840), (5120, 242767), (5530, 224768), (6146, 202240), (6320, 196672), (7024, 176960), (7168, 173405), (8780, 141568), (8848, 140480), (8960, 138724), (10112, 122920), (11060, 112384), (12292, 101120), (12640, 98336), (14048, 88480), (15365, 80896), (17560, 70784), (17696, 70240), (17920, 69362), (20224, 61460), (22120, 56192), (24584, 50560), (25280, 49168), (28096, 44240), (30730, 40448), (34681, 35840), (35120, 35392)]