1280810168

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 2721180000

約数和(自身を除く): 1440369832

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 109, 121, 122, 199, 218, 242, 244, 398, 436, 484, 488, 671, 796, 872, 968, 1199, 1342, 1592, 2189, 2398, 2684, 4378, 4796, 5368, 6649, 7381, 8756, 9592, 12139, 13189, 13298, 14762, 17512, 21691, 24079, 24278, 26378, 26596, 29524, 43382, 48158, 48556, 52756, 53192, 59048, 73139, 86764, 96316, 97112, 105512, 133529, 146278, 173528, 192632, 238601, 267058, 292556, 477202, 534116, 585112, 804529, 954404, 1068232, 1323151, 1468819, 1609058, 1908808, 2624611, 2646302, 2937638, 3218116, 5249222, 5292604, 5875276, 6436232, 10498444, 10585208, 11750552, 14554661, 20996888, 29109322, 58218644, 116437288, 160101271, 320202542, 640405084, 1280810168]

約数ペア:

[(1, 1280810168), (2, 640405084), (4, 320202542), (8, 160101271), (11, 116437288), (22, 58218644), (44, 29109322), (61, 20996888), (88, 14554661), (109, 11750552), (121, 10585208), (122, 10498444), (199, 6436232), (218, 5875276), (242, 5292604), (244, 5249222), (398, 3218116), (436, 2937638), (484, 2646302), (488, 2624611), (671, 1908808), (796, 1609058), (872, 1468819), (968, 1323151), (1199, 1068232), (1342, 954404), (1592, 804529), (2189, 585112), (2398, 534116), (2684, 477202), (4378, 292556), (4796, 267058), (5368, 238601), (6649, 192632), (7381, 173528), (8756, 146278), (9592, 133529), (12139, 105512), (13189, 97112), (13298, 96316), (14762, 86764), (17512, 73139), (21691, 59048), (24079, 53192), (24278, 52756), (26378, 48556), (26596, 48158), (29524, 43382)]