131722240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2017

約数の個数: 88

約数和(自身を含む): 340457040

約数和(自身を除く): 208734800

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, 2080, 2560, 3328, 3958, 4160, 5120, 6656, 7916, 8320, 9895, 13312, 15832, 16640, 19790, 25727, 31664, 33280, 39580, 51454, 63328, 66560, 79160, 102908, 126656, 128635, 158320, 205816, 253312, 257270, 316640, 411632, 506624, 514540, 633280, 823264, 1013248, 1029080, 1266560, 1646528, 2026496, 2058160, 2533120, 3293056, 4116320, 5066240, 6586112, 8232640, 10132480, 13172224, 16465280, 26344448, 32930560, 65861120, 131722240]

約数ペア:

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