1978378680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{2389}}^1$

素因数の和:2573

約数の個数: 128

約数和(自身を含む): 6084748800

約数和(自身を除く): 4106370120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 103, 120, 134, 201, 206, 268, 309, 335, 402, 412, 515, 536, 618, 670, 804, 824, 1005, 1030, 1236, 1340, 1545, 1608, 2010, 2060, 2389, 2472, 2680, 3090, 4020, 4120, 4778, 6180, 6901, 7167, 8040, 9556, 11945, 12360, 13802, 14334, 19112, 20703, 23890, 27604, 28668, 34505, 35835, 41406, 47780, 55208, 57336, 69010, 71670, 82812, 95560, 103515, 138020, 143340, 160063, 165624, 207030, 246067, 276040, 286680, 320126, 414060, 480189, 492134, 640252, 738201, 800315, 828120, 960378, 984268, 1230335, 1280504, 1476402, 1600630, 1920756, 1968536, 2400945, 2460670, 2952804, 3201260, 3691005, 3841512, 4801890, 4921340, 5905608, 6402520, 7382010, 9603780, 9842680, 14764020, 16486489, 19207560, 29528040, 32972978, 49459467, 65945956, 82432445, 98918934, 131891912, 164864890, 197837868, 247297335, 329729780, 395675736, 494594670, 659459560, 989189340, 1978378680]

約数ペア:

[(1, 1978378680), (2, 989189340), (3, 659459560), (4, 494594670), (5, 395675736), (6, 329729780), (8, 247297335), (10, 197837868), (12, 164864890), (15, 131891912), (20, 98918934), (24, 82432445), (30, 65945956), (40, 49459467), (60, 32972978), (67, 29528040), (103, 19207560), (120, 16486489), (134, 14764020), (201, 9842680), (206, 9603780), (268, 7382010), (309, 6402520), (335, 5905608), (402, 4921340), (412, 4801890), (515, 3841512), (536, 3691005), (618, 3201260), (670, 2952804), (804, 2460670), (824, 2400945), (1005, 1968536), (1030, 1920756), (1236, 1600630), (1340, 1476402), (1545, 1280504), (1608, 1230335), (2010, 984268), (2060, 960378), (2389, 828120), (2472, 800315), (2680, 738201), (3090, 640252), (4020, 492134), (4120, 480189), (4778, 414060), (6180, 320126), (6901, 286680), (7167, 276040), (8040, 246067), (9556, 207030), (11945, 165624), (12360, 160063), (13802, 143340), (14334, 138020), (19112, 103515), (20703, 95560), (23890, 82812), (27604, 71670), (28668, 69010), (34505, 57336), (35835, 55208), (41406, 47780)]