645688248

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 1774656000

約数和(自身を除く): 1128967752

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 57, 58, 76, 87, 114, 116, 152, 157, 174, 228, 232, 311, 314, 348, 456, 471, 551, 622, 628, 696, 933, 942, 1102, 1244, 1256, 1653, 1866, 1884, 2204, 2488, 2983, 3306, 3732, 3768, 4408, 4553, 5909, 5966, 6612, 7464, 8949, 9019, 9106, 11818, 11932, 13224, 13659, 17727, 17898, 18038, 18212, 23636, 23864, 27057, 27318, 35454, 35796, 36076, 36424, 47272, 48827, 54114, 54636, 70908, 71592, 72152, 86507, 97654, 108228, 109272, 141816, 146481, 171361, 173014, 195308, 216456, 259521, 292962, 342722, 346028, 390616, 514083, 519042, 585924, 685444, 692056, 927713, 1028166, 1038084, 1171848, 1370888, 1415983, 1855426, 2056332, 2076168, 2783139, 2831966, 3710852, 4112664, 4247949, 5566278, 5663932, 7421704, 8495898, 11132556, 11327864, 16991796, 22265112, 26903677, 33983592, 53807354, 80711031, 107614708, 161422062, 215229416, 322844124, 645688248]

約数ペア:

[(1, 645688248), (2, 322844124), (3, 215229416), (4, 161422062), (6, 107614708), (8, 80711031), (12, 53807354), (19, 33983592), (24, 26903677), (29, 22265112), (38, 16991796), (57, 11327864), (58, 11132556), (76, 8495898), (87, 7421704), (114, 5663932), (116, 5566278), (152, 4247949), (157, 4112664), (174, 3710852), (228, 2831966), (232, 2783139), (311, 2076168), (314, 2056332), (348, 1855426), (456, 1415983), (471, 1370888), (551, 1171848), (622, 1038084), (628, 1028166), (696, 927713), (933, 692056), (942, 685444), (1102, 585924), (1244, 519042), (1256, 514083), (1653, 390616), (1866, 346028), (1884, 342722), (2204, 292962), (2488, 259521), (2983, 216456), (3306, 195308), (3732, 173014), (3768, 171361), (4408, 146481), (4553, 141816), (5909, 109272), (5966, 108228), (6612, 97654), (7464, 86507), (8949, 72152), (9019, 71592), (9106, 70908), (11818, 54636), (11932, 54114), (13224, 48827), (13659, 47272), (17727, 36424), (17898, 36076), (18038, 35796), (18212, 35454), (23636, 27318), (23864, 27057)]