198539520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 640180800

約数和(自身を除く): 441641280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 149, 160, 192, 240, 256, 298, 320, 347, 384, 447, 480, 596, 640, 694, 745, 768, 894, 960, 1041, 1192, 1280, 1388, 1490, 1735, 1788, 1920, 2082, 2235, 2384, 2776, 2980, 3470, 3576, 3840, 4164, 4470, 4768, 5205, 5552, 5960, 6940, 7152, 8328, 8940, 9536, 10410, 11104, 11920, 13880, 14304, 16656, 17880, 19072, 20820, 22208, 23840, 27760, 28608, 33312, 35760, 38144, 41640, 44416, 47680, 51703, 55520, 57216, 66624, 71520, 83280, 88832, 95360, 103406, 111040, 114432, 133248, 143040, 155109, 166560, 190720, 206812, 222080, 258515, 266496, 286080, 310218, 333120, 413624, 444160, 517030, 572160, 620436, 666240, 775545, 827248, 1034060, 1240872, 1332480, 1551090, 1654496, 2068120, 2481744, 3102180, 3308992, 4136240, 4963488, 6204360, 6617984, 8272480, 9926976, 12408720, 13235968, 16544960, 19853952, 24817440, 33089920, 39707904, 49634880, 66179840, 99269760, 198539520]

約数ペア:

[(1, 198539520), (2, 99269760), (3, 66179840), (4, 49634880), (5, 39707904), (6, 33089920), (8, 24817440), (10, 19853952), (12, 16544960), (15, 13235968), (16, 12408720), (20, 9926976), (24, 8272480), (30, 6617984), (32, 6204360), (40, 4963488), (48, 4136240), (60, 3308992), (64, 3102180), (80, 2481744), (96, 2068120), (120, 1654496), (128, 1551090), (149, 1332480), (160, 1240872), (192, 1034060), (240, 827248), (256, 775545), (298, 666240), (320, 620436), (347, 572160), (384, 517030), (447, 444160), (480, 413624), (596, 333120), (640, 310218), (694, 286080), (745, 266496), (768, 258515), (894, 222080), (960, 206812), (1041, 190720), (1192, 166560), (1280, 155109), (1388, 143040), (1490, 133248), (1735, 114432), (1788, 111040), (1920, 103406), (2082, 95360), (2235, 88832), (2384, 83280), (2776, 71520), (2980, 66624), (3470, 57216), (3576, 55520), (3840, 51703), (4164, 47680), (4470, 44416), (4768, 41640), (5205, 38144), (5552, 35760), (5960, 33312), (6940, 28608), (7152, 27760), (8328, 23840), (8940, 22208), (9536, 20820), (10410, 19072), (11104, 17880), (11920, 16656), (13880, 14304)]