123495680

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 377485920

約数和(自身を除く): 253990240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 179, 196, 220, 224, 245, 256, 280, 308, 320, 352, 358, 385, 392, 440, 448, 490, 539, 560, 616, 640, 704, 716, 770, 784, 880, 895, 896, 980, 1078, 1120, 1232, 1253, 1280, 1408, 1432, 1540, 1568, 1760, 1790, 1792, 1960, 1969, 2156, 2240, 2464, 2506, 2695, 2816, 2864, 3080, 3136, 3520, 3580, 3920, 3938, 4312, 4480, 4928, 5012, 5390, 5728, 6160, 6265, 6272, 7040, 7160, 7840, 7876, 8624, 8771, 8960, 9845, 9856, 10024, 10780, 11456, 12320, 12530, 12544, 13783, 14080, 14320, 15680, 15752, 17248, 17542, 19690, 19712, 20048, 21560, 22912, 24640, 25060, 27566, 28640, 31360, 31504, 34496, 35084, 39380, 40096, 43120, 43855, 45824, 49280, 50120, 55132, 57280, 62720, 63008, 68915, 68992, 70168, 78760, 80192, 86240, 87710, 96481, 98560, 100240, 110264, 114560, 126016, 137830, 137984, 140336, 157520, 160384, 172480, 175420, 192962, 200480, 220528, 229120, 252032, 275660, 280672, 315040, 320768, 344960, 350840, 385924, 400960, 441056, 482405, 504064, 551320, 561344, 630080, 689920, 701680, 771848, 801920, 882112, 964810, 1102640, 1122688, 1260160, 1403360, 1543696, 1603840, 1764224, 1929620, 2205280, 2245376, 2520320, 2806720, 3087392, 3528448, 3859240, 4410560, 5613440, 6174784, 7718480, 8821120, 11226880, 12349568, 15436960, 17642240, 24699136, 30873920, 61747840, 123495680]

約数ペア:

[(1, 123495680), (2, 61747840), (4, 30873920), (5, 24699136), (7, 17642240), (8, 15436960), (10, 12349568), (11, 11226880), (14, 8821120), (16, 7718480), (20, 6174784), (22, 5613440), (28, 4410560), (32, 3859240), (35, 3528448), (40, 3087392), (44, 2806720), (49, 2520320), (55, 2245376), (56, 2205280), (64, 1929620), (70, 1764224), (77, 1603840), (80, 1543696), (88, 1403360), (98, 1260160), (110, 1122688), (112, 1102640), (128, 964810), (140, 882112), (154, 801920), (160, 771848), (176, 701680), (179, 689920), (196, 630080), (220, 561344), (224, 551320), (245, 504064), (256, 482405), (280, 441056), (308, 400960), (320, 385924), (352, 350840), (358, 344960), (385, 320768), (392, 315040), (440, 280672), (448, 275660), (490, 252032), (539, 229120), (560, 220528), (616, 200480), (640, 192962), (704, 175420), (716, 172480), (770, 160384), (784, 157520), (880, 140336), (895, 137984), (896, 137830), (980, 126016), (1078, 114560), (1120, 110264), (1232, 100240), (1253, 98560), (1280, 96481), (1408, 87710), (1432, 86240), (1540, 80192), (1568, 78760), (1760, 70168), (1790, 68992), (1792, 68915), (1960, 63008), (1969, 62720), (2156, 57280), (2240, 55132), (2464, 50120), (2506, 49280), (2695, 45824), (2816, 43855), (2864, 43120), (3080, 40096), (3136, 39380), (3520, 35084), (3580, 34496), (3920, 31504), (3938, 31360), (4312, 28640), (4480, 27566), (4928, 25060), (5012, 24640), (5390, 22912), (5728, 21560), (6160, 20048), (6265, 19712), (6272, 19690), (7040, 17542), (7160, 17248), (7840, 15752), (7876, 15680), (8624, 14320), (8771, 14080), (8960, 13783), (9845, 12544), (9856, 12530), (10024, 12320), (10780, 11456)]