15221360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 45037296

約数和(自身を除く): 29815936

約数列:

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

約数ペア:

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