1621584272

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 4139735040

約数和(自身を除く): 2518150768

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 89, 92, 112, 154, 161, 176, 178, 184, 253, 308, 322, 356, 368, 506, 616, 623, 643, 644, 712, 979, 1012, 1232, 1246, 1286, 1288, 1424, 1771, 1958, 2024, 2047, 2492, 2572, 2576, 3542, 3916, 4048, 4094, 4501, 4984, 5144, 6853, 7073, 7084, 7832, 8188, 9002, 9968, 10288, 13706, 14146, 14168, 14329, 14789, 15664, 16376, 18004, 22517, 27412, 28292, 28336, 28658, 29578, 32752, 36008, 45034, 49511, 54824, 56584, 57227, 57316, 59156, 72016, 90068, 99022, 103523, 109648, 113168, 114454, 114632, 118312, 157619, 162679, 180136, 198044, 207046, 228908, 229264, 236624, 315238, 325358, 360272, 396088, 400589, 414092, 457816, 629497, 630476, 650716, 792176, 801178, 828184, 915632, 1138753, 1258994, 1260952, 1301432, 1316221, 1602356, 1656368, 2277506, 2517988, 2521904, 2602864, 2632442, 3204712, 4406479, 4555012, 5035976, 5264884, 6409424, 8812958, 9110024, 9213547, 10071952, 10529768, 14478431, 17625916, 18220048, 18427094, 21059536, 28956862, 35251832, 36854188, 57913724, 70503664, 73708376, 101349017, 115827448, 147416752, 202698034, 231654896, 405396068, 810792136, 1621584272]

約数ペア:

[(1, 1621584272), (2, 810792136), (4, 405396068), (7, 231654896), (8, 202698034), (11, 147416752), (14, 115827448), (16, 101349017), (22, 73708376), (23, 70503664), (28, 57913724), (44, 36854188), (46, 35251832), (56, 28956862), (77, 21059536), (88, 18427094), (89, 18220048), (92, 17625916), (112, 14478431), (154, 10529768), (161, 10071952), (176, 9213547), (178, 9110024), (184, 8812958), (253, 6409424), (308, 5264884), (322, 5035976), (356, 4555012), (368, 4406479), (506, 3204712), (616, 2632442), (623, 2602864), (643, 2521904), (644, 2517988), (712, 2277506), (979, 1656368), (1012, 1602356), (1232, 1316221), (1246, 1301432), (1286, 1260952), (1288, 1258994), (1424, 1138753), (1771, 915632), (1958, 828184), (2024, 801178), (2047, 792176), (2492, 650716), (2572, 630476), (2576, 629497), (3542, 457816), (3916, 414092), (4048, 400589), (4094, 396088), (4501, 360272), (4984, 325358), (5144, 315238), (6853, 236624), (7073, 229264), (7084, 228908), (7832, 207046), (8188, 198044), (9002, 180136), (9968, 162679), (10288, 157619), (13706, 118312), (14146, 114632), (14168, 114454), (14329, 113168), (14789, 109648), (15664, 103523), (16376, 99022), (18004, 90068), (22517, 72016), (27412, 59156), (28292, 57316), (28336, 57227), (28658, 56584), (29578, 54824), (32752, 49511), (36008, 45034)]