28799280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 160

約数和(自身を含む): 101184000

約数和(自身を除く): 72384720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 108, 120, 134, 135, 144, 180, 199, 201, 216, 240, 268, 270, 335, 360, 398, 402, 432, 536, 540, 597, 603, 670, 720, 796, 804, 995, 1005, 1072, 1080, 1194, 1206, 1340, 1592, 1608, 1791, 1809, 1990, 2010, 2160, 2388, 2412, 2680, 2985, 3015, 3184, 3216, 3582, 3618, 3980, 4020, 4776, 4824, 5360, 5373, 5970, 6030, 7164, 7236, 7960, 8040, 8955, 9045, 9552, 9648, 10746, 11940, 12060, 13333, 14328, 14472, 15920, 16080, 17910, 18090, 21492, 23880, 24120, 26666, 26865, 28656, 28944, 35820, 36180, 39999, 42984, 47760, 48240, 53332, 53730, 66665, 71640, 72360, 79998, 85968, 106664, 107460, 119997, 133330, 143280, 144720, 159996, 199995, 213328, 214920, 239994, 266660, 319992, 359991, 399990, 429840, 479988, 533320, 599985, 639984, 719982, 799980, 959976, 1066640, 1199970, 1439964, 1599960, 1799955, 1919952, 2399940, 2879928, 3199920, 3599910, 4799880, 5759856, 7199820, 9599760, 14399640, 28799280]

約数ペア:

[(1, 28799280), (2, 14399640), (3, 9599760), (4, 7199820), (5, 5759856), (6, 4799880), (8, 3599910), (9, 3199920), (10, 2879928), (12, 2399940), (15, 1919952), (16, 1799955), (18, 1599960), (20, 1439964), (24, 1199970), (27, 1066640), (30, 959976), (36, 799980), (40, 719982), (45, 639984), (48, 599985), (54, 533320), (60, 479988), (67, 429840), (72, 399990), (80, 359991), (90, 319992), (108, 266660), (120, 239994), (134, 214920), (135, 213328), (144, 199995), (180, 159996), (199, 144720), (201, 143280), (216, 133330), (240, 119997), (268, 107460), (270, 106664), (335, 85968), (360, 79998), (398, 72360), (402, 71640), (432, 66665), (536, 53730), (540, 53332), (597, 48240), (603, 47760), (670, 42984), (720, 39999), (796, 36180), (804, 35820), (995, 28944), (1005, 28656), (1072, 26865), (1080, 26666), (1194, 24120), (1206, 23880), (1340, 21492), (1592, 18090), (1608, 17910), (1791, 16080), (1809, 15920), (1990, 14472), (2010, 14328), (2160, 13333), (2388, 12060), (2412, 11940), (2680, 10746), (2985, 9648), (3015, 9552), (3184, 9045), (3216, 8955), (3582, 8040), (3618, 7960), (3980, 7236), (4020, 7164), (4776, 6030), (4824, 5970), (5360, 5373)]