20161609128

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{15601}}^1$

素因数の和:15840

約数の個数: 128

約数和(自身を含む): 58114329600

約数和(自身を除く): 37952720472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 193, 216, 248, 279, 372, 386, 558, 579, 744, 772, 837, 1116, 1158, 1544, 1674, 1737, 2232, 2316, 3348, 3474, 4632, 5211, 5983, 6696, 6948, 10422, 11966, 13896, 15601, 17949, 20844, 23932, 31202, 35898, 41688, 46803, 47864, 53847, 62404, 71796, 93606, 107694, 124808, 140409, 143592, 161541, 187212, 215388, 280818, 323082, 374424, 421227, 430776, 483631, 561636, 646164, 842454, 967262, 1123272, 1292328, 1450893, 1684908, 1934524, 2901786, 3010993, 3369816, 3869048, 4352679, 5803572, 6021986, 8705358, 9032979, 11607144, 12043972, 13058037, 17410716, 18065958, 24087944, 26116074, 27098937, 34821432, 36131916, 52232148, 54197874, 72263832, 81296811, 93340783, 104464296, 108395748, 162593622, 186681566, 216791496, 280022349, 325187244, 373363132, 560044698, 650374488, 746726264, 840067047, 1120089396, 1680134094, 2240178792, 2520201141, 3360268188, 5040402282, 6720536376, 10080804564, 20161609128]

約数ペア:

[(1, 20161609128), (2, 10080804564), (3, 6720536376), (4, 5040402282), (6, 3360268188), (8, 2520201141), (9, 2240178792), (12, 1680134094), (18, 1120089396), (24, 840067047), (27, 746726264), (31, 650374488), (36, 560044698), (54, 373363132), (62, 325187244), (72, 280022349), (93, 216791496), (108, 186681566), (124, 162593622), (186, 108395748), (193, 104464296), (216, 93340783), (248, 81296811), (279, 72263832), (372, 54197874), (386, 52232148), (558, 36131916), (579, 34821432), (744, 27098937), (772, 26116074), (837, 24087944), (1116, 18065958), (1158, 17410716), (1544, 13058037), (1674, 12043972), (1737, 11607144), (2232, 9032979), (2316, 8705358), (3348, 6021986), (3474, 5803572), (4632, 4352679), (5211, 3869048), (5983, 3369816), (6696, 3010993), (6948, 2901786), (10422, 1934524), (11966, 1684908), (13896, 1450893), (15601, 1292328), (17949, 1123272), (20844, 967262), (23932, 842454), (31202, 646164), (35898, 561636), (41688, 483631), (46803, 430776), (47864, 421227), (53847, 374424), (62404, 323082), (71796, 280818), (93606, 215388), (107694, 187212), (124808, 161541), (140409, 143592)]