398795520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 1390737600

約数和(自身を除く): 991942080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 41, 48, 51, 60, 64, 68, 80, 82, 85, 96, 102, 120, 123, 128, 136, 149, 160, 164, 170, 192, 204, 205, 240, 246, 255, 256, 272, 298, 320, 328, 340, 384, 408, 410, 447, 480, 492, 510, 544, 596, 615, 640, 656, 680, 697, 745, 768, 816, 820, 894, 960, 984, 1020, 1088, 1192, 1230, 1280, 1312, 1360, 1394, 1490, 1632, 1640, 1788, 1920, 1968, 2040, 2091, 2176, 2235, 2384, 2460, 2533, 2624, 2720, 2788, 2980, 3264, 3280, 3485, 3576, 3840, 3936, 4080, 4182, 4352, 4470, 4768, 4920, 5066, 5248, 5440, 5576, 5960, 6109, 6528, 6560, 6970, 7152, 7599, 7872, 8160, 8364, 8940, 9536, 9840, 10132, 10455, 10496, 10880, 11152, 11920, 12218, 12665, 13056, 13120, 13940, 14304, 15198, 15744, 16320, 16728, 17880, 18327, 19072, 19680, 20264, 20910, 21760, 22304, 23840, 24436, 25330, 26240, 27880, 28608, 30396, 30545, 31488, 32640, 33456, 35760, 36654, 37995, 38144, 39360, 40528, 41820, 44608, 47680, 48872, 50660, 52480, 55760, 57216, 60792, 61090, 65280, 66912, 71520, 73308, 75990, 78720, 81056, 83640, 89216, 91635, 95360, 97744, 101320, 103853, 111520, 114432, 121584, 122180, 133824, 143040, 146616, 151980, 157440, 162112, 167280, 178432, 183270, 190720, 195488, 202640, 207706, 223040, 243168, 244360, 267648, 286080, 293232, 303960, 311559, 324224, 334560, 366540, 390976, 405280, 415412, 446080, 486336, 488720, 519265, 535296, 572160, 586464, 607920, 623118, 648448, 669120, 733080, 781952, 810560, 830824, 892160, 972672, 977440, 1038530, 1172928, 1215840, 1246236, 1338240, 1466160, 1557795, 1563904, 1621120, 1661648, 1945344, 1954880, 2077060, 2345856, 2431680, 2492472, 2676480, 2932320, 3115590, 3242240, 3323296, 3909760, 4154120, 4691712, 4863360, 4984944, 5864640, 6231180, 6646592, 7819520, 8308240, 9726720, 9969888, 11729280, 12462360, 13293184, 16616480, 19939776, 23458560, 24924720, 26586368, 33232960, 39879552, 49849440, 66465920, 79759104, 99698880, 132931840, 199397760, 398795520]

約数ペア:

[(1, 398795520), (2, 199397760), (3, 132931840), (4, 99698880), (5, 79759104), (6, 66465920), (8, 49849440), (10, 39879552), (12, 33232960), (15, 26586368), (16, 24924720), (17, 23458560), (20, 19939776), (24, 16616480), (30, 13293184), (32, 12462360), (34, 11729280), (40, 9969888), (41, 9726720), (48, 8308240), (51, 7819520), (60, 6646592), (64, 6231180), (68, 5864640), (80, 4984944), (82, 4863360), (85, 4691712), (96, 4154120), (102, 3909760), (120, 3323296), (123, 3242240), (128, 3115590), (136, 2932320), (149, 2676480), (160, 2492472), (164, 2431680), (170, 2345856), (192, 2077060), (204, 1954880), (205, 1945344), (240, 1661648), (246, 1621120), (255, 1563904), (256, 1557795), (272, 1466160), (298, 1338240), (320, 1246236), (328, 1215840), (340, 1172928), (384, 1038530), (408, 977440), (410, 972672), (447, 892160), (480, 830824), (492, 810560), (510, 781952), (544, 733080), (596, 669120), (615, 648448), (640, 623118), (656, 607920), (680, 586464), (697, 572160), (745, 535296), (768, 519265), (816, 488720), (820, 486336), (894, 446080), (960, 415412), (984, 405280), (1020, 390976), (1088, 366540), (1192, 334560), (1230, 324224), (1280, 311559), (1312, 303960), (1360, 293232), (1394, 286080), (1490, 267648), (1632, 244360), (1640, 243168), (1788, 223040), (1920, 207706), (1968, 202640), (2040, 195488), (2091, 190720), (2176, 183270), (2235, 178432), (2384, 167280), (2460, 162112), (2533, 157440), (2624, 151980), (2720, 146616), (2788, 143040), (2980, 133824), (3264, 122180), (3280, 121584), (3485, 114432), (3576, 111520), (3840, 103853), (3936, 101320), (4080, 97744), (4182, 95360), (4352, 91635), (4470, 89216), (4768, 83640), (4920, 81056), (5066, 78720), (5248, 75990), (5440, 73308), (5576, 71520), (5960, 66912), (6109, 65280), (6528, 61090), (6560, 60792), (6970, 57216), (7152, 55760), (7599, 52480), (7872, 50660), (8160, 48872), (8364, 47680), (8940, 44608), (9536, 41820), (9840, 40528), (10132, 39360), (10455, 38144), (10496, 37995), (10880, 36654), (11152, 35760), (11920, 33456), (12218, 32640), (12665, 31488), (13056, 30545), (13120, 30396), (13940, 28608), (14304, 27880), (15198, 26240), (15744, 25330), (16320, 24436), (16728, 23840), (17880, 22304), (18327, 21760), (19072, 20910), (19680, 20264)]