198944640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 256

約数和(自身を含む): 730728000

約数和(自身を除く): 531783360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 320, 348, 360, 384, 397, 432, 435, 464, 480, 522, 540, 576, 580, 640, 696, 720, 783, 794, 864, 870, 928, 960, 1044, 1080, 1152, 1160, 1191, 1305, 1392, 1440, 1566, 1588, 1728, 1740, 1856, 1920, 1985, 2088, 2160, 2320, 2382, 2610, 2784, 2880, 3132, 3176, 3456, 3480, 3573, 3712, 3915, 3970, 4176, 4320, 4640, 4764, 5220, 5568, 5760, 5955, 6264, 6352, 6960, 7146, 7830, 7940, 8352, 8640, 9280, 9528, 10440, 10719, 11136, 11513, 11910, 12528, 12704, 13920, 14292, 15660, 15880, 16704, 17280, 17865, 18560, 19056, 20880, 21438, 23026, 23820, 25056, 25408, 27840, 28584, 31320, 31760, 33408, 34539, 35730, 38112, 41760, 42876, 46052, 47640, 50112, 50816, 53595, 55680, 57168, 57565, 62640, 63520, 69078, 71460, 76224, 83520, 85752, 92104, 95280, 100224, 103617, 107190, 114336, 115130, 125280, 127040, 138156, 142920, 152448, 167040, 171504, 172695, 184208, 190560, 207234, 214380, 228672, 230260, 250560, 254080, 276312, 285840, 310851, 343008, 345390, 368416, 381120, 414468, 428760, 457344, 460520, 501120, 518085, 552624, 571680, 621702, 686016, 690780, 736832, 762240, 828936, 857520, 921040, 1036170, 1105248, 1143360, 1243404, 1372032, 1381560, 1473664, 1554255, 1657872, 1715040, 1842080, 2072340, 2210496, 2286720, 2486808, 2763120, 3108510, 3315744, 3430080, 3684160, 4144680, 4420992, 4973616, 5526240, 6217020, 6631488, 6860160, 7368320, 8289360, 9947232, 11052480, 12434040, 13262976, 16578720, 19894464, 22104960, 24868080, 33157440, 39788928, 49736160, 66314880, 99472320, 198944640]

約数ペア:

[(1, 198944640), (2, 99472320), (3, 66314880), (4, 49736160), (5, 39788928), (6, 33157440), (8, 24868080), (9, 22104960), (10, 19894464), (12, 16578720), (15, 13262976), (16, 12434040), (18, 11052480), (20, 9947232), (24, 8289360), (27, 7368320), (29, 6860160), (30, 6631488), (32, 6217020), (36, 5526240), (40, 4973616), (45, 4420992), (48, 4144680), (54, 3684160), (58, 3430080), (60, 3315744), (64, 3108510), (72, 2763120), (80, 2486808), (87, 2286720), (90, 2210496), (96, 2072340), (108, 1842080), (116, 1715040), (120, 1657872), (128, 1554255), (135, 1473664), (144, 1381560), (145, 1372032), (160, 1243404), (174, 1143360), (180, 1105248), (192, 1036170), (216, 921040), (232, 857520), (240, 828936), (261, 762240), (270, 736832), (288, 690780), (290, 686016), (320, 621702), (348, 571680), (360, 552624), (384, 518085), (397, 501120), (432, 460520), (435, 457344), (464, 428760), (480, 414468), (522, 381120), (540, 368416), (576, 345390), (580, 343008), (640, 310851), (696, 285840), (720, 276312), (783, 254080), (794, 250560), (864, 230260), (870, 228672), (928, 214380), (960, 207234), (1044, 190560), (1080, 184208), (1152, 172695), (1160, 171504), (1191, 167040), (1305, 152448), (1392, 142920), (1440, 138156), (1566, 127040), (1588, 125280), (1728, 115130), (1740, 114336), (1856, 107190), (1920, 103617), (1985, 100224), (2088, 95280), (2160, 92104), (2320, 85752), (2382, 83520), (2610, 76224), (2784, 71460), (2880, 69078), (3132, 63520), (3176, 62640), (3456, 57565), (3480, 57168), (3573, 55680), (3712, 53595), (3915, 50816), (3970, 50112), (4176, 47640), (4320, 46052), (4640, 42876), (4764, 41760), (5220, 38112), (5568, 35730), (5760, 34539), (5955, 33408), (6264, 31760), (6352, 31320), (6960, 28584), (7146, 27840), (7830, 25408), (7940, 25056), (8352, 23820), (8640, 23026), (9280, 21438), (9528, 20880), (10440, 19056), (10719, 18560), (11136, 17865), (11513, 17280), (11910, 16704), (12528, 15880), (12704, 15660), (13920, 14292)]