80518680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20333}}^1$

素因数の和:20361

約数の個数: 96

約数和(自身を含む): 285489360

約数和(自身を除く): 204970680

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, 1320, 1980, 3960, 20333, 40666, 60999, 81332, 101665, 121998, 162664, 182997, 203330, 223663, 243996, 304995, 365994, 406660, 447326, 487992, 609990, 670989, 731988, 813320, 894652, 914985, 1118315, 1219980, 1341978, 1463976, 1789304, 1829970, 2012967, 2236630, 2439960, 2683956, 3354945, 3659940, 4025934, 4473260, 5367912, 6709890, 7319880, 8051868, 8946520, 10064835, 13419780, 16103736, 20129670, 26839560, 40259340, 80518680]

約数ペア:

[(1, 80518680), (2, 40259340), (3, 26839560), (4, 20129670), (5, 16103736), (6, 13419780), (8, 10064835), (9, 8946520), (10, 8051868), (11, 7319880), (12, 6709890), (15, 5367912), (18, 4473260), (20, 4025934), (22, 3659940), (24, 3354945), (30, 2683956), (33, 2439960), (36, 2236630), (40, 2012967), (44, 1829970), (45, 1789304), (55, 1463976), (60, 1341978), (66, 1219980), (72, 1118315), (88, 914985), (90, 894652), (99, 813320), (110, 731988), (120, 670989), (132, 609990), (165, 487992), (180, 447326), (198, 406660), (220, 365994), (264, 304995), (330, 243996), (360, 223663), (396, 203330), (440, 182997), (495, 162664), (660, 121998), (792, 101665), (990, 81332), (1320, 60999), (1980, 40666), (3960, 20333)]