1257431840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7151}}^1$

素因数の和:7330

約数の個数: 96

約数和(自身を含む): 3417168384

約数和(自身を除く): 2159736544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 280, 314, 560, 628, 785, 1099, 1120, 1256, 1570, 2198, 2512, 3140, 4396, 5024, 5495, 6280, 7151, 8792, 10990, 12560, 14302, 17584, 21980, 25120, 28604, 35168, 35755, 43960, 50057, 57208, 71510, 87920, 100114, 114416, 143020, 175840, 200228, 228832, 250285, 286040, 400456, 500570, 572080, 800912, 1001140, 1122707, 1144160, 1601824, 2002280, 2245414, 4004560, 4490828, 5613535, 7858949, 8009120, 8981656, 11227070, 15717898, 17963312, 22454140, 31435796, 35926624, 39294745, 44908280, 62871592, 78589490, 89816560, 125743184, 157178980, 179633120, 251486368, 314357960, 628715920, 1257431840]

約数ペア:

[(1, 1257431840), (2, 628715920), (4, 314357960), (5, 251486368), (7, 179633120), (8, 157178980), (10, 125743184), (14, 89816560), (16, 78589490), (20, 62871592), (28, 44908280), (32, 39294745), (35, 35926624), (40, 31435796), (56, 22454140), (70, 17963312), (80, 15717898), (112, 11227070), (140, 8981656), (157, 8009120), (160, 7858949), (224, 5613535), (280, 4490828), (314, 4004560), (560, 2245414), (628, 2002280), (785, 1601824), (1099, 1144160), (1120, 1122707), (1256, 1001140), (1570, 800912), (2198, 572080), (2512, 500570), (3140, 400456), (4396, 286040), (5024, 250285), (5495, 228832), (6280, 200228), (7151, 175840), (8792, 143020), (10990, 114416), (12560, 100114), (14302, 87920), (17584, 71510), (21980, 57208), (25120, 50057), (28604, 43960), (35168, 35755)]