2017027840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 5123653920

約数和(自身を除く): 3106626080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 197, 256, 304, 320, 380, 394, 421, 608, 640, 760, 788, 842, 985, 1216, 1280, 1520, 1576, 1684, 1970, 2105, 2432, 3040, 3152, 3368, 3743, 3940, 4210, 4864, 6080, 6304, 6736, 7486, 7880, 7999, 8420, 12160, 12608, 13472, 14972, 15760, 15998, 16840, 18715, 24320, 25216, 26944, 29944, 31520, 31996, 33680, 37430, 39995, 50432, 53888, 59888, 63040, 63992, 67360, 74860, 79990, 82937, 107776, 119776, 126080, 127984, 134720, 149720, 159980, 165874, 239552, 252160, 255968, 269440, 299440, 319960, 331748, 414685, 479104, 511936, 538880, 598880, 639920, 663496, 829370, 958208, 1023872, 1197760, 1279840, 1326992, 1575803, 1658740, 2047744, 2395520, 2559680, 2653984, 3151606, 3317480, 4791040, 5119360, 5307968, 6303212, 6634960, 7879015, 10238720, 10615936, 12606424, 13269920, 15758030, 21231872, 25212848, 26539840, 31516060, 50425696, 53079680, 63032120, 100851392, 106159360, 126064240, 201702784, 252128480, 403405568, 504256960, 1008513920, 2017027840]

約数ペア:

[(1, 2017027840), (2, 1008513920), (4, 504256960), (5, 403405568), (8, 252128480), (10, 201702784), (16, 126064240), (19, 106159360), (20, 100851392), (32, 63032120), (38, 53079680), (40, 50425696), (64, 31516060), (76, 26539840), (80, 25212848), (95, 21231872), (128, 15758030), (152, 13269920), (160, 12606424), (190, 10615936), (197, 10238720), (256, 7879015), (304, 6634960), (320, 6303212), (380, 5307968), (394, 5119360), (421, 4791040), (608, 3317480), (640, 3151606), (760, 2653984), (788, 2559680), (842, 2395520), (985, 2047744), (1216, 1658740), (1280, 1575803), (1520, 1326992), (1576, 1279840), (1684, 1197760), (1970, 1023872), (2105, 958208), (2432, 829370), (3040, 663496), (3152, 639920), (3368, 598880), (3743, 538880), (3940, 511936), (4210, 479104), (4864, 414685), (6080, 331748), (6304, 319960), (6736, 299440), (7486, 269440), (7880, 255968), (7999, 252160), (8420, 239552), (12160, 165874), (12608, 159980), (13472, 149720), (14972, 134720), (15760, 127984), (15998, 126080), (16840, 119776), (18715, 107776), (24320, 82937), (25216, 79990), (26944, 74860), (29944, 67360), (31520, 63992), (31996, 63040), (33680, 59888), (37430, 53888), (39995, 50432)]