253065280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:636

約数の個数: 112

約数和(自身を含む): 655441920

約数和(自身を除く): 402376640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 416, 479, 508, 520, 635, 832, 958, 1016, 1040, 1270, 1651, 1916, 2032, 2080, 2395, 2540, 3302, 3832, 4064, 4160, 4790, 5080, 6227, 6604, 7664, 8128, 8255, 9580, 10160, 12454, 13208, 15328, 16510, 19160, 20320, 24908, 26416, 30656, 31135, 33020, 38320, 40640, 49816, 52832, 60833, 62270, 66040, 76640, 99632, 105664, 121666, 124540, 132080, 153280, 199264, 243332, 249080, 264160, 304165, 398528, 486664, 498160, 528320, 608330, 790829, 973328, 996320, 1216660, 1581658, 1946656, 1992640, 2433320, 3163316, 3893312, 3954145, 4866640, 6326632, 7908290, 9733280, 12653264, 15816580, 19466560, 25306528, 31633160, 50613056, 63266320, 126532640, 253065280]

約数ペア:

[(1, 253065280), (2, 126532640), (4, 63266320), (5, 50613056), (8, 31633160), (10, 25306528), (13, 19466560), (16, 15816580), (20, 12653264), (26, 9733280), (32, 7908290), (40, 6326632), (52, 4866640), (64, 3954145), (65, 3893312), (80, 3163316), (104, 2433320), (127, 1992640), (130, 1946656), (160, 1581658), (208, 1216660), (254, 996320), (260, 973328), (320, 790829), (416, 608330), (479, 528320), (508, 498160), (520, 486664), (635, 398528), (832, 304165), (958, 264160), (1016, 249080), (1040, 243332), (1270, 199264), (1651, 153280), (1916, 132080), (2032, 124540), (2080, 121666), (2395, 105664), (2540, 99632), (3302, 76640), (3832, 66040), (4064, 62270), (4160, 60833), (4790, 52832), (5080, 49816), (6227, 40640), (6604, 38320), (7664, 33020), (8128, 31135), (8255, 30656), (9580, 26416), (10160, 24908), (12454, 20320), (13208, 19160), (15328, 16510)]