281334240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17761}}^1$

素因数の和:17793

約数の個数: 144

約数和(自身を含む): 1047389616

約数和(自身を除く): 766055376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 17761, 35522, 53283, 71044, 88805, 106566, 142088, 159849, 177610, 195371, 213132, 266415, 284176, 319698, 355220, 390742, 426264, 532830, 568352, 586113, 639396, 710440, 781484, 799245, 852528, 976855, 1065660, 1172226, 1278792, 1420880, 1562968, 1598490, 1705056, 1758339, 1953710, 2131320, 2344452, 2557584, 2841760, 2930565, 3125936, 3196980, 3516678, 3907420, 4262640, 4688904, 5115168, 5861130, 6251872, 6393960, 7033356, 7814840, 8525280, 8791695, 9377808, 11722260, 12787920, 14066712, 15629680, 17583390, 18755616, 23444520, 25575840, 28133424, 31259360, 35166780, 46889040, 56266848, 70333560, 93778080, 140667120, 281334240]

約数ペア:

[(1, 281334240), (2, 140667120), (3, 93778080), (4, 70333560), (5, 56266848), (6, 46889040), (8, 35166780), (9, 31259360), (10, 28133424), (11, 25575840), (12, 23444520), (15, 18755616), (16, 17583390), (18, 15629680), (20, 14066712), (22, 12787920), (24, 11722260), (30, 9377808), (32, 8791695), (33, 8525280), (36, 7814840), (40, 7033356), (44, 6393960), (45, 6251872), (48, 5861130), (55, 5115168), (60, 4688904), (66, 4262640), (72, 3907420), (80, 3516678), (88, 3196980), (90, 3125936), (96, 2930565), (99, 2841760), (110, 2557584), (120, 2344452), (132, 2131320), (144, 1953710), (160, 1758339), (165, 1705056), (176, 1598490), (180, 1562968), (198, 1420880), (220, 1278792), (240, 1172226), (264, 1065660), (288, 976855), (330, 852528), (352, 799245), (360, 781484), (396, 710440), (440, 639396), (480, 586113), (495, 568352), (528, 532830), (660, 426264), (720, 390742), (792, 355220), (880, 319698), (990, 284176), (1056, 266415), (1320, 213132), (1440, 195371), (1584, 177610), (1760, 159849), (1980, 142088), (2640, 106566), (3168, 88805), (3960, 71044), (5280, 53283), (7920, 35522), (15840, 17761)]