7718480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 22900320

約数和(自身を除く): 15181840

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, 179, 196, 220, 245, 280, 308, 358, 385, 392, 440, 490, 539, 560, 616, 716, 770, 784, 880, 895, 980, 1078, 1232, 1253, 1432, 1540, 1790, 1960, 1969, 2156, 2506, 2695, 2864, 3080, 3580, 3920, 3938, 4312, 5012, 5390, 6160, 6265, 7160, 7876, 8624, 8771, 9845, 10024, 10780, 12530, 13783, 14320, 15752, 17542, 19690, 20048, 21560, 25060, 27566, 31504, 35084, 39380, 43120, 43855, 50120, 55132, 68915, 70168, 78760, 87710, 96481, 100240, 110264, 137830, 140336, 157520, 175420, 192962, 220528, 275660, 350840, 385924, 482405, 551320, 701680, 771848, 964810, 1102640, 1543696, 1929620, 3859240, 7718480]

約数ペア:

[(1, 7718480), (2, 3859240), (4, 1929620), (5, 1543696), (7, 1102640), (8, 964810), (10, 771848), (11, 701680), (14, 551320), (16, 482405), (20, 385924), (22, 350840), (28, 275660), (35, 220528), (40, 192962), (44, 175420), (49, 157520), (55, 140336), (56, 137830), (70, 110264), (77, 100240), (80, 96481), (88, 87710), (98, 78760), (110, 70168), (112, 68915), (140, 55132), (154, 50120), (176, 43855), (179, 43120), (196, 39380), (220, 35084), (245, 31504), (280, 27566), (308, 25060), (358, 21560), (385, 20048), (392, 19690), (440, 17542), (490, 15752), (539, 14320), (560, 13783), (616, 12530), (716, 10780), (770, 10024), (784, 9845), (880, 8771), (895, 8624), (980, 7876), (1078, 7160), (1232, 6265), (1253, 6160), (1432, 5390), (1540, 5012), (1790, 4312), (1960, 3938), (1969, 3920), (2156, 3580), (2506, 3080), (2695, 2864)]