156968709640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{2213}}^1$

素因数の和:2603

約数の個数: 128

約数和(自身を含む): 362508138720

約数和(自身を除く): 205539429080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 101, 181, 194, 202, 362, 388, 404, 485, 505, 724, 776, 808, 905, 970, 1010, 1448, 1810, 1940, 2020, 2213, 3620, 3880, 4040, 4426, 7240, 8852, 9797, 11065, 17557, 17704, 18281, 19594, 22130, 35114, 36562, 39188, 44260, 48985, 70228, 73124, 78376, 87785, 88520, 91405, 97970, 140456, 146248, 175570, 182810, 195940, 214661, 223513, 351140, 365620, 391880, 400553, 429322, 447026, 702280, 731240, 801106, 858644, 894052, 1073305, 1117565, 1602212, 1717288, 1773257, 1788104, 2002765, 2146610, 2235130, 3204424, 3546514, 4005530, 4293220, 4470260, 7093028, 8011060, 8586440, 8866285, 8940520, 14186056, 16022120, 17732570, 21680761, 35465140, 38853641, 40455853, 43361522, 70930280, 77707282, 80911706, 86723044, 108403805, 155414564, 161823412, 173446088, 194268205, 202279265, 216807610, 310829128, 323646824, 388536410, 404558530, 433615220, 777072820, 809117060, 867230440, 1554145640, 1618234120, 3924217741, 7848435482, 15696870964, 19621088705, 31393741928, 39242177410, 78484354820, 156968709640]

約数ペア:

[(1, 156968709640), (2, 78484354820), (4, 39242177410), (5, 31393741928), (8, 19621088705), (10, 15696870964), (20, 7848435482), (40, 3924217741), (97, 1618234120), (101, 1554145640), (181, 867230440), (194, 809117060), (202, 777072820), (362, 433615220), (388, 404558530), (404, 388536410), (485, 323646824), (505, 310829128), (724, 216807610), (776, 202279265), (808, 194268205), (905, 173446088), (970, 161823412), (1010, 155414564), (1448, 108403805), (1810, 86723044), (1940, 80911706), (2020, 77707282), (2213, 70930280), (3620, 43361522), (3880, 40455853), (4040, 38853641), (4426, 35465140), (7240, 21680761), (8852, 17732570), (9797, 16022120), (11065, 14186056), (17557, 8940520), (17704, 8866285), (18281, 8586440), (19594, 8011060), (22130, 7093028), (35114, 4470260), (36562, 4293220), (39188, 4005530), (44260, 3546514), (48985, 3204424), (70228, 2235130), (73124, 2146610), (78376, 2002765), (87785, 1788104), (88520, 1773257), (91405, 1717288), (97970, 1602212), (140456, 1117565), (146248, 1073305), (175570, 894052), (182810, 858644), (195940, 801106), (214661, 731240), (223513, 702280), (351140, 447026), (365620, 429322), (391880, 400553)]