7884395640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{1997}}^1$

素因数の和:3022

約数の個数: 192

約数和(自身を含む): 27995816160

約数和(自身を除く): 20111420520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 997, 1320, 1980, 1994, 1997, 2991, 3960, 3988, 3994, 4985, 5982, 5991, 7976, 7988, 8973, 9970, 9985, 10967, 11964, 11982, 14955, 15976, 17946, 17973, 19940, 19970, 21934, 21967, 23928, 23964, 29910, 29955, 32901, 35892, 35946, 39880, 39940, 43868, 43934, 44865, 47928, 54835, 59820, 59910, 65802, 65901, 71784, 71892, 79880, 87736, 87868, 89730, 89865, 98703, 109670, 109835, 119640, 119820, 131604, 131802, 143784, 164505, 175736, 179460, 179730, 197406, 197703, 219340, 219670, 239640, 263208, 263604, 329010, 329505, 358920, 359460, 394812, 395406, 438680, 439340, 493515, 527208, 658020, 659010, 718920, 789624, 790812, 878680, 987030, 988515, 1316040, 1318020, 1581624, 1974060, 1977030, 1991009, 2636040, 3948120, 3954060, 3982018, 5973027, 7908120, 7964036, 9955045, 11946054, 15928072, 17919081, 19910090, 21901099, 23892108, 29865135, 35838162, 39820180, 43802198, 47784216, 59730270, 65703297, 71676324, 79640360, 87604396, 89595405, 109505495, 119460540, 131406594, 143352648, 175208792, 179190810, 197109891, 219010990, 238921080, 262813188, 328516485, 358381620, 394219782, 438021980, 525626376, 657032970, 716763240, 788439564, 876043960, 985549455, 1314065940, 1576879128, 1971098910, 2628131880, 3942197820, 7884395640]

約数ペア:

[(1, 7884395640), (2, 3942197820), (3, 2628131880), (4, 1971098910), (5, 1576879128), (6, 1314065940), (8, 985549455), (9, 876043960), (10, 788439564), (11, 716763240), (12, 657032970), (15, 525626376), (18, 438021980), (20, 394219782), (22, 358381620), (24, 328516485), (30, 262813188), (33, 238921080), (36, 219010990), (40, 197109891), (44, 179190810), (45, 175208792), (55, 143352648), (60, 131406594), (66, 119460540), (72, 109505495), (88, 89595405), (90, 87604396), (99, 79640360), (110, 71676324), (120, 65703297), (132, 59730270), (165, 47784216), (180, 43802198), (198, 39820180), (220, 35838162), (264, 29865135), (330, 23892108), (360, 21901099), (396, 19910090), (440, 17919081), (495, 15928072), (660, 11946054), (792, 9955045), (990, 7964036), (997, 7908120), (1320, 5973027), (1980, 3982018), (1994, 3954060), (1997, 3948120), (2991, 2636040), (3960, 1991009), (3988, 1977030), (3994, 1974060), (4985, 1581624), (5982, 1318020), (5991, 1316040), (7976, 988515), (7988, 987030), (8973, 878680), (9970, 790812), (9985, 789624), (10967, 718920), (11964, 659010), (11982, 658020), (14955, 527208), (15976, 493515), (17946, 439340), (17973, 438680), (19940, 395406), (19970, 394812), (21934, 359460), (21967, 358920), (23928, 329505), (23964, 329010), (29910, 263604), (29955, 263208), (32901, 239640), (35892, 219670), (35946, 219340), (39880, 197703), (39940, 197406), (43868, 179730), (43934, 179460), (44865, 175736), (47928, 164505), (54835, 143784), (59820, 131802), (59910, 131604), (65802, 119820), (65901, 119640), (71784, 109835), (71892, 109670), (79880, 98703), (87736, 89865), (87868, 89730)]