254690240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 168

約数和(自身を含む): 726216480

約数和(自身を除く): 471526240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 320, 370, 392, 439, 448, 490, 518, 560, 592, 740, 784, 878, 980, 1036, 1120, 1184, 1295, 1480, 1568, 1756, 1813, 1960, 2072, 2195, 2240, 2368, 2590, 2960, 3073, 3136, 3512, 3626, 3920, 4144, 4390, 5180, 5920, 6146, 7024, 7252, 7840, 8288, 8780, 9065, 10360, 11840, 12292, 14048, 14504, 15365, 15680, 16243, 16576, 17560, 18130, 20720, 21511, 24584, 28096, 29008, 30730, 32486, 35120, 36260, 41440, 43022, 49168, 58016, 61460, 64972, 70240, 72520, 81215, 82880, 86044, 98336, 107555, 113701, 116032, 122920, 129944, 140480, 145040, 162430, 172088, 196672, 215110, 227402, 245840, 259888, 290080, 324860, 344176, 430220, 454804, 491680, 519776, 568505, 580160, 649720, 688352, 795907, 860440, 909608, 983360, 1039552, 1137010, 1299440, 1376704, 1591814, 1720880, 1819216, 2274020, 2598880, 3183628, 3441760, 3638432, 3979535, 4548040, 5197760, 6367256, 6883520, 7276864, 7959070, 9096080, 12734512, 15918140, 18192160, 25469024, 31836280, 36384320, 50938048, 63672560, 127345120, 254690240]

約数ペア:

[(1, 254690240), (2, 127345120), (4, 63672560), (5, 50938048), (7, 36384320), (8, 31836280), (10, 25469024), (14, 18192160), (16, 15918140), (20, 12734512), (28, 9096080), (32, 7959070), (35, 7276864), (37, 6883520), (40, 6367256), (49, 5197760), (56, 4548040), (64, 3979535), (70, 3638432), (74, 3441760), (80, 3183628), (98, 2598880), (112, 2274020), (140, 1819216), (148, 1720880), (160, 1591814), (185, 1376704), (196, 1299440), (224, 1137010), (245, 1039552), (259, 983360), (280, 909608), (296, 860440), (320, 795907), (370, 688352), (392, 649720), (439, 580160), (448, 568505), (490, 519776), (518, 491680), (560, 454804), (592, 430220), (740, 344176), (784, 324860), (878, 290080), (980, 259888), (1036, 245840), (1120, 227402), (1184, 215110), (1295, 196672), (1480, 172088), (1568, 162430), (1756, 145040), (1813, 140480), (1960, 129944), (2072, 122920), (2195, 116032), (2240, 113701), (2368, 107555), (2590, 98336), (2960, 86044), (3073, 82880), (3136, 81215), (3512, 72520), (3626, 70240), (3920, 64972), (4144, 61460), (4390, 58016), (5180, 49168), (5920, 43022), (6146, 41440), (7024, 36260), (7252, 35120), (7840, 32486), (8288, 30730), (8780, 29008), (9065, 28096), (10360, 24584), (11840, 21511), (12292, 20720), (14048, 18130), (14504, 17560), (15365, 16576), (15680, 16243)]