263444480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2019

約数の個数: 96

約数和(自身を含む): 681080400

約数和(自身を除く): 417635920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 1979, 2048, 2080, 2560, 3328, 3958, 4160, 5120, 6656, 7916, 8320, 9895, 10240, 13312, 15832, 16640, 19790, 25727, 26624, 31664, 33280, 39580, 51454, 63328, 66560, 79160, 102908, 126656, 128635, 133120, 158320, 205816, 253312, 257270, 316640, 411632, 506624, 514540, 633280, 823264, 1013248, 1029080, 1266560, 1646528, 2026496, 2058160, 2533120, 3293056, 4052992, 4116320, 5066240, 6586112, 8232640, 10132480, 13172224, 16465280, 20264960, 26344448, 32930560, 52688896, 65861120, 131722240, 263444480]

約数ペア:

[(1, 263444480), (2, 131722240), (4, 65861120), (5, 52688896), (8, 32930560), (10, 26344448), (13, 20264960), (16, 16465280), (20, 13172224), (26, 10132480), (32, 8232640), (40, 6586112), (52, 5066240), (64, 4116320), (65, 4052992), (80, 3293056), (104, 2533120), (128, 2058160), (130, 2026496), (160, 1646528), (208, 1266560), (256, 1029080), (260, 1013248), (320, 823264), (416, 633280), (512, 514540), (520, 506624), (640, 411632), (832, 316640), (1024, 257270), (1040, 253312), (1280, 205816), (1664, 158320), (1979, 133120), (2048, 128635), (2080, 126656), (2560, 102908), (3328, 79160), (3958, 66560), (4160, 63328), (5120, 51454), (6656, 39580), (7916, 33280), (8320, 31664), (9895, 26624), (10240, 25727), (13312, 19790), (15832, 16640)]