78305920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 238606560

約数和(自身を除く): 160300640

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, 196, 220, 224, 227, 245, 280, 308, 320, 352, 385, 392, 440, 448, 454, 490, 539, 560, 616, 640, 704, 770, 784, 880, 896, 908, 980, 1078, 1120, 1135, 1232, 1408, 1540, 1568, 1589, 1760, 1816, 1960, 2156, 2240, 2270, 2464, 2497, 2695, 3080, 3136, 3178, 3520, 3632, 3920, 4312, 4480, 4540, 4928, 4994, 5390, 6160, 6272, 6356, 7040, 7264, 7840, 7945, 8624, 9080, 9856, 9988, 10780, 11123, 12320, 12485, 12712, 14528, 15680, 15890, 17248, 17479, 18160, 19976, 21560, 22246, 24640, 24970, 25424, 29056, 31360, 31780, 34496, 34958, 36320, 39952, 43120, 44492, 49280, 49940, 50848, 55615, 63560, 68992, 69916, 72640, 79904, 86240, 87395, 88984, 99880, 101696, 111230, 122353, 127120, 139832, 145280, 159808, 172480, 174790, 177968, 199760, 203392, 222460, 244706, 254240, 279664, 319616, 344960, 349580, 355936, 399520, 444920, 489412, 508480, 559328, 611765, 699160, 711872, 799040, 889840, 978824, 1016960, 1118656, 1223530, 1398320, 1423744, 1598080, 1779680, 1957648, 2237312, 2447060, 2796640, 3559360, 3915296, 4894120, 5593280, 7118720, 7830592, 9788240, 11186560, 15661184, 19576480, 39152960, 78305920]

約数ペア:

[(1, 78305920), (2, 39152960), (4, 19576480), (5, 15661184), (7, 11186560), (8, 9788240), (10, 7830592), (11, 7118720), (14, 5593280), (16, 4894120), (20, 3915296), (22, 3559360), (28, 2796640), (32, 2447060), (35, 2237312), (40, 1957648), (44, 1779680), (49, 1598080), (55, 1423744), (56, 1398320), (64, 1223530), (70, 1118656), (77, 1016960), (80, 978824), (88, 889840), (98, 799040), (110, 711872), (112, 699160), (128, 611765), (140, 559328), (154, 508480), (160, 489412), (176, 444920), (196, 399520), (220, 355936), (224, 349580), (227, 344960), (245, 319616), (280, 279664), (308, 254240), (320, 244706), (352, 222460), (385, 203392), (392, 199760), (440, 177968), (448, 174790), (454, 172480), (490, 159808), (539, 145280), (560, 139832), (616, 127120), (640, 122353), (704, 111230), (770, 101696), (784, 99880), (880, 88984), (896, 87395), (908, 86240), (980, 79904), (1078, 72640), (1120, 69916), (1135, 68992), (1232, 63560), (1408, 55615), (1540, 50848), (1568, 49940), (1589, 49280), (1760, 44492), (1816, 43120), (1960, 39952), (2156, 36320), (2240, 34958), (2270, 34496), (2464, 31780), (2497, 31360), (2695, 29056), (3080, 25424), (3136, 24970), (3178, 24640), (3520, 22246), (3632, 21560), (3920, 19976), (4312, 18160), (4480, 17479), (4540, 17248), (4928, 15890), (4994, 15680), (5390, 14528), (6160, 12712), (6272, 12485), (6356, 12320), (7040, 11123), (7264, 10780), (7840, 9988), (7945, 9856), (8624, 9080)]