30442720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 91527408

約数和(自身を除く): 61084688

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 353, 385, 392, 440, 490, 539, 560, 616, 706, 770, 784, 880, 980, 1078, 1120, 1232, 1412, 1540, 1568, 1760, 1765, 1960, 2156, 2464, 2471, 2695, 2824, 3080, 3530, 3883, 3920, 4312, 4942, 5390, 5648, 6160, 7060, 7766, 7840, 8624, 9884, 10780, 11296, 12320, 12355, 14120, 15532, 17248, 17297, 19415, 19768, 21560, 24710, 27181, 28240, 31064, 34594, 38830, 39536, 43120, 49420, 54362, 56480, 62128, 69188, 77660, 79072, 86240, 86485, 98840, 108724, 124256, 135905, 138376, 155320, 172970, 190267, 197680, 217448, 271810, 276752, 310640, 345940, 380534, 395360, 434896, 543620, 553504, 621280, 691880, 761068, 869792, 951335, 1087240, 1383760, 1522136, 1902670, 2174480, 2767520, 3044272, 3805340, 4348960, 6088544, 7610680, 15221360, 30442720]

約数ペア:

[(1, 30442720), (2, 15221360), (4, 7610680), (5, 6088544), (7, 4348960), (8, 3805340), (10, 3044272), (11, 2767520), (14, 2174480), (16, 1902670), (20, 1522136), (22, 1383760), (28, 1087240), (32, 951335), (35, 869792), (40, 761068), (44, 691880), (49, 621280), (55, 553504), (56, 543620), (70, 434896), (77, 395360), (80, 380534), (88, 345940), (98, 310640), (110, 276752), (112, 271810), (140, 217448), (154, 197680), (160, 190267), (176, 172970), (196, 155320), (220, 138376), (224, 135905), (245, 124256), (280, 108724), (308, 98840), (352, 86485), (353, 86240), (385, 79072), (392, 77660), (440, 69188), (490, 62128), (539, 56480), (560, 54362), (616, 49420), (706, 43120), (770, 39536), (784, 38830), (880, 34594), (980, 31064), (1078, 28240), (1120, 27181), (1232, 24710), (1412, 21560), (1540, 19768), (1568, 19415), (1760, 17297), (1765, 17248), (1960, 15532), (2156, 14120), (2464, 12355), (2471, 12320), (2695, 11296), (2824, 10780), (3080, 9884), (3530, 8624), (3883, 7840), (3920, 7766), (4312, 7060), (4942, 6160), (5390, 5648)]