280888960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2394

約数の個数: 128

約数和(自身を含む): 775967040

約数和(自身を除く): 495078080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 680, 704, 748, 880, 935, 1088, 1360, 1408, 1496, 1760, 1870, 2176, 2347, 2720, 2992, 3520, 3740, 4694, 5440, 5984, 7040, 7480, 9388, 10880, 11735, 11968, 14960, 18776, 23470, 23936, 25817, 29920, 37552, 39899, 46940, 51634, 59840, 75104, 79798, 93880, 103268, 119680, 129085, 150208, 159596, 187760, 199495, 206536, 258170, 300416, 319192, 375520, 398990, 413072, 438889, 516340, 638384, 751040, 797980, 826144, 877778, 1032680, 1276768, 1502080, 1595960, 1652288, 1755556, 2065360, 2194445, 2553536, 3191920, 3304576, 3511112, 4130720, 4388890, 5107072, 6383840, 7022224, 8261440, 8777780, 12767680, 14044448, 16522880, 17555560, 25535360, 28088896, 35111120, 56177792, 70222240, 140444480, 280888960]

約数ペア:

[(1, 280888960), (2, 140444480), (4, 70222240), (5, 56177792), (8, 35111120), (10, 28088896), (11, 25535360), (16, 17555560), (17, 16522880), (20, 14044448), (22, 12767680), (32, 8777780), (34, 8261440), (40, 7022224), (44, 6383840), (55, 5107072), (64, 4388890), (68, 4130720), (80, 3511112), (85, 3304576), (88, 3191920), (110, 2553536), (128, 2194445), (136, 2065360), (160, 1755556), (170, 1652288), (176, 1595960), (187, 1502080), (220, 1276768), (272, 1032680), (320, 877778), (340, 826144), (352, 797980), (374, 751040), (440, 638384), (544, 516340), (640, 438889), (680, 413072), (704, 398990), (748, 375520), (880, 319192), (935, 300416), (1088, 258170), (1360, 206536), (1408, 199495), (1496, 187760), (1760, 159596), (1870, 150208), (2176, 129085), (2347, 119680), (2720, 103268), (2992, 93880), (3520, 79798), (3740, 75104), (4694, 59840), (5440, 51634), (5984, 46940), (7040, 39899), (7480, 37552), (9388, 29920), (10880, 25817), (11735, 23936), (11968, 23470), (14960, 18776)]