1555541280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1328

約数の個数: 192

約数和(自身を含む): 5464126080

約数和(自身を除く): 3908584800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 397, 432, 480, 540, 720, 794, 864, 907, 1080, 1191, 1440, 1588, 1814, 1985, 2160, 2382, 2721, 3176, 3573, 3628, 3970, 4320, 4535, 4764, 5442, 5955, 6352, 7146, 7256, 7940, 8163, 9070, 9528, 10719, 10884, 11910, 12704, 13605, 14292, 14512, 15880, 16326, 17865, 18140, 19056, 21438, 21768, 23820, 24489, 27210, 28584, 29024, 31760, 32652, 35730, 36280, 38112, 40815, 42876, 43536, 47640, 48978, 53595, 54420, 57168, 63520, 65304, 71460, 72560, 81630, 85752, 87072, 95280, 97956, 107190, 108840, 114336, 122445, 130608, 142920, 145120, 163260, 171504, 190560, 195912, 214380, 217680, 244890, 261216, 285840, 326520, 343008, 360079, 391824, 428760, 435360, 489780, 571680, 653040, 720158, 783648, 857520, 979560, 1080237, 1306080, 1440316, 1715040, 1800395, 1959120, 2160474, 2880632, 3240711, 3600790, 3918240, 4320948, 5401185, 5761264, 6481422, 7201580, 8641896, 9722133, 10802370, 11522528, 12962844, 14403160, 16203555, 17283792, 19444266, 21604740, 25925688, 28806320, 32407110, 34567584, 38888532, 43209480, 48610665, 51851376, 57612640, 64814220, 77777064, 86418960, 97221330, 103702752, 129628440, 155554128, 172837920, 194442660, 259256880, 311108256, 388885320, 518513760, 777770640, 1555541280]

約数ペア:

[(1, 1555541280), (2, 777770640), (3, 518513760), (4, 388885320), (5, 311108256), (6, 259256880), (8, 194442660), (9, 172837920), (10, 155554128), (12, 129628440), (15, 103702752), (16, 97221330), (18, 86418960), (20, 77777064), (24, 64814220), (27, 57612640), (30, 51851376), (32, 48610665), (36, 43209480), (40, 38888532), (45, 34567584), (48, 32407110), (54, 28806320), (60, 25925688), (72, 21604740), (80, 19444266), (90, 17283792), (96, 16203555), (108, 14403160), (120, 12962844), (135, 11522528), (144, 10802370), (160, 9722133), (180, 8641896), (216, 7201580), (240, 6481422), (270, 5761264), (288, 5401185), (360, 4320948), (397, 3918240), (432, 3600790), (480, 3240711), (540, 2880632), (720, 2160474), (794, 1959120), (864, 1800395), (907, 1715040), (1080, 1440316), (1191, 1306080), (1440, 1080237), (1588, 979560), (1814, 857520), (1985, 783648), (2160, 720158), (2382, 653040), (2721, 571680), (3176, 489780), (3573, 435360), (3628, 428760), (3970, 391824), (4320, 360079), (4535, 343008), (4764, 326520), (5442, 285840), (5955, 261216), (6352, 244890), (7146, 217680), (7256, 214380), (7940, 195912), (8163, 190560), (9070, 171504), (9528, 163260), (10719, 145120), (10884, 142920), (11910, 130608), (12704, 122445), (13605, 114336), (14292, 108840), (14512, 107190), (15880, 97956), (16326, 95280), (17865, 87072), (18140, 85752), (19056, 81630), (21438, 72560), (21768, 71460), (23820, 65304), (24489, 63520), (27210, 57168), (28584, 54420), (29024, 53595), (31760, 48978), (32652, 47640), (35730, 43536), (36280, 42876), (38112, 40815)]