71173080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2031

約数の個数: 160

約数和(自身を含む): 261098640

約数和(自身を除く): 189925560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 540, 594, 648, 660, 792, 810, 891, 990, 1080, 1188, 1320, 1485, 1620, 1782, 1980, 1997, 2376, 2970, 3240, 3564, 3960, 3994, 4455, 5940, 5991, 7128, 7988, 8910, 9985, 11880, 11982, 15976, 17820, 17973, 19970, 21967, 23964, 29955, 35640, 35946, 39940, 43934, 47928, 53919, 59910, 65901, 71892, 79880, 87868, 89865, 107838, 109835, 119820, 131802, 143784, 161757, 175736, 179730, 197703, 215676, 219670, 239640, 263604, 269595, 323514, 329505, 359460, 395406, 431352, 439340, 527208, 539190, 593109, 647028, 659010, 718920, 790812, 808785, 878680, 988515, 1078380, 1186218, 1294056, 1318020, 1581624, 1617570, 1779327, 1977030, 2156760, 2372436, 2636040, 2965545, 3235140, 3558654, 3954060, 4744872, 5931090, 6470280, 7117308, 7908120, 8896635, 11862180, 14234616, 17793270, 23724360, 35586540, 71173080]

約数ペア:

[(1, 71173080), (2, 35586540), (3, 23724360), (4, 17793270), (5, 14234616), (6, 11862180), (8, 8896635), (9, 7908120), (10, 7117308), (11, 6470280), (12, 5931090), (15, 4744872), (18, 3954060), (20, 3558654), (22, 3235140), (24, 2965545), (27, 2636040), (30, 2372436), (33, 2156760), (36, 1977030), (40, 1779327), (44, 1617570), (45, 1581624), (54, 1318020), (55, 1294056), (60, 1186218), (66, 1078380), (72, 988515), (81, 878680), (88, 808785), (90, 790812), (99, 718920), (108, 659010), (110, 647028), (120, 593109), (132, 539190), (135, 527208), (162, 439340), (165, 431352), (180, 395406), (198, 359460), (216, 329505), (220, 323514), (264, 269595), (270, 263604), (297, 239640), (324, 219670), (330, 215676), (360, 197703), (396, 179730), (405, 175736), (440, 161757), (495, 143784), (540, 131802), (594, 119820), (648, 109835), (660, 107838), (792, 89865), (810, 87868), (891, 79880), (990, 71892), (1080, 65901), (1188, 59910), (1320, 53919), (1485, 47928), (1620, 43934), (1782, 39940), (1980, 35946), (1997, 35640), (2376, 29955), (2970, 23964), (3240, 21967), (3564, 19970), (3960, 17973), (3994, 17820), (4455, 15976), (5940, 11982), (5991, 11880), (7128, 9985), (7988, 8910)]