27999720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 192

約数和(自身を含む): 106928640

約数和(自身を除く): 78928920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 56, 60, 63, 70, 72, 82, 84, 90, 105, 120, 123, 126, 140, 164, 168, 180, 205, 210, 246, 252, 271, 280, 287, 315, 328, 360, 369, 410, 420, 492, 504, 542, 574, 615, 630, 738, 813, 820, 840, 861, 984, 1084, 1148, 1230, 1260, 1355, 1435, 1476, 1626, 1640, 1722, 1845, 1897, 2168, 2296, 2439, 2460, 2520, 2583, 2710, 2870, 2952, 3252, 3444, 3690, 3794, 4065, 4305, 4878, 4920, 5166, 5420, 5691, 5740, 6504, 6888, 7380, 7588, 8130, 8610, 9485, 9756, 10332, 10840, 11111, 11382, 11480, 12195, 12915, 14760, 15176, 16260, 17073, 17220, 18970, 19512, 20664, 22222, 22764, 24390, 25830, 28455, 32520, 33333, 34146, 34440, 37940, 44444, 45528, 48780, 51660, 55555, 56910, 66666, 68292, 75880, 77777, 85365, 88888, 97560, 99999, 103320, 111110, 113820, 133332, 136584, 155554, 166665, 170730, 199998, 222220, 227640, 233331, 266664, 311108, 333330, 341460, 388885, 399996, 444440, 466662, 499995, 622216, 666660, 682920, 699993, 777770, 799992, 933324, 999990, 1166655, 1333320, 1399986, 1555540, 1866648, 1999980, 2333310, 2799972, 3111080, 3499965, 3999960, 4666620, 5599944, 6999930, 9333240, 13999860, 27999720]

約数ペア:

[(1, 27999720), (2, 13999860), (3, 9333240), (4, 6999930), (5, 5599944), (6, 4666620), (7, 3999960), (8, 3499965), (9, 3111080), (10, 2799972), (12, 2333310), (14, 1999980), (15, 1866648), (18, 1555540), (20, 1399986), (21, 1333320), (24, 1166655), (28, 999990), (30, 933324), (35, 799992), (36, 777770), (40, 699993), (41, 682920), (42, 666660), (45, 622216), (56, 499995), (60, 466662), (63, 444440), (70, 399996), (72, 388885), (82, 341460), (84, 333330), (90, 311108), (105, 266664), (120, 233331), (123, 227640), (126, 222220), (140, 199998), (164, 170730), (168, 166665), (180, 155554), (205, 136584), (210, 133332), (246, 113820), (252, 111110), (271, 103320), (280, 99999), (287, 97560), (315, 88888), (328, 85365), (360, 77777), (369, 75880), (410, 68292), (420, 66666), (492, 56910), (504, 55555), (542, 51660), (574, 48780), (615, 45528), (630, 44444), (738, 37940), (813, 34440), (820, 34146), (840, 33333), (861, 32520), (984, 28455), (1084, 25830), (1148, 24390), (1230, 22764), (1260, 22222), (1355, 20664), (1435, 19512), (1476, 18970), (1626, 17220), (1640, 17073), (1722, 16260), (1845, 15176), (1897, 14760), (2168, 12915), (2296, 12195), (2439, 11480), (2460, 11382), (2520, 11111), (2583, 10840), (2710, 10332), (2870, 9756), (2952, 9485), (3252, 8610), (3444, 8130), (3690, 7588), (3794, 7380), (4065, 6888), (4305, 6504), (4878, 5740), (4920, 5691), (5166, 5420)]