255795680

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 725760000

約数和(自身を除く): 469964320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 59, 70, 79, 80, 98, 112, 118, 140, 158, 160, 196, 224, 236, 245, 280, 295, 316, 343, 392, 395, 413, 472, 490, 553, 560, 590, 632, 686, 784, 790, 826, 944, 980, 1106, 1120, 1180, 1264, 1372, 1568, 1580, 1652, 1715, 1888, 1960, 2065, 2212, 2360, 2528, 2744, 2765, 2891, 3160, 3304, 3430, 3871, 3920, 4130, 4424, 4661, 4720, 5488, 5530, 5782, 6320, 6608, 6860, 7742, 7840, 8260, 8848, 9322, 9440, 10976, 11060, 11564, 12640, 13216, 13720, 14455, 15484, 16520, 17696, 18644, 19355, 20237, 22120, 23128, 23305, 27097, 27440, 28910, 30968, 32627, 33040, 37288, 38710, 40474, 44240, 46256, 46610, 54194, 54880, 57820, 61936, 65254, 66080, 74576, 77420, 80948, 88480, 92512, 93220, 101185, 108388, 115640, 123872, 130508, 135485, 149152, 154840, 161896, 163135, 186440, 202370, 216776, 228389, 231280, 261016, 270970, 309680, 323792, 326270, 372880, 404740, 433552, 456778, 462560, 522032, 541940, 619360, 647584, 652540, 745760, 809480, 867104, 913556, 1044064, 1083880, 1141945, 1305080, 1598723, 1618960, 1827112, 2167760, 2283890, 2610160, 3197446, 3237920, 3654224, 4335520, 4567780, 5220320, 6394892, 7308448, 7993615, 9135560, 12789784, 15987230, 18271120, 25579568, 31974460, 36542240, 51159136, 63948920, 127897840, 255795680]

約数ペア:

[(1, 255795680), (2, 127897840), (4, 63948920), (5, 51159136), (7, 36542240), (8, 31974460), (10, 25579568), (14, 18271120), (16, 15987230), (20, 12789784), (28, 9135560), (32, 7993615), (35, 7308448), (40, 6394892), (49, 5220320), (56, 4567780), (59, 4335520), (70, 3654224), (79, 3237920), (80, 3197446), (98, 2610160), (112, 2283890), (118, 2167760), (140, 1827112), (158, 1618960), (160, 1598723), (196, 1305080), (224, 1141945), (236, 1083880), (245, 1044064), (280, 913556), (295, 867104), (316, 809480), (343, 745760), (392, 652540), (395, 647584), (413, 619360), (472, 541940), (490, 522032), (553, 462560), (560, 456778), (590, 433552), (632, 404740), (686, 372880), (784, 326270), (790, 323792), (826, 309680), (944, 270970), (980, 261016), (1106, 231280), (1120, 228389), (1180, 216776), (1264, 202370), (1372, 186440), (1568, 163135), (1580, 161896), (1652, 154840), (1715, 149152), (1888, 135485), (1960, 130508), (2065, 123872), (2212, 115640), (2360, 108388), (2528, 101185), (2744, 93220), (2765, 92512), (2891, 88480), (3160, 80948), (3304, 77420), (3430, 74576), (3871, 66080), (3920, 65254), (4130, 61936), (4424, 57820), (4661, 54880), (4720, 54194), (5488, 46610), (5530, 46256), (5782, 44240), (6320, 40474), (6608, 38710), (6860, 37288), (7742, 33040), (7840, 32627), (8260, 30968), (8848, 28910), (9322, 27440), (9440, 27097), (10976, 23305), (11060, 23128), (11564, 22120), (12640, 20237), (13216, 19355), (13720, 18644), (14455, 17696), (15484, 16520)]