128999640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:662

約数の個数: 256

約数和(自身を含む): 504299520

約数和(自身を除く): 375299880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 55, 56, 60, 66, 69, 70, 77, 84, 88, 92, 105, 110, 115, 120, 132, 138, 140, 154, 161, 165, 168, 184, 210, 220, 230, 231, 253, 264, 276, 280, 308, 322, 330, 345, 385, 420, 440, 460, 462, 483, 506, 552, 607, 616, 644, 660, 690, 759, 770, 805, 840, 920, 924, 966, 1012, 1155, 1214, 1265, 1288, 1320, 1380, 1518, 1540, 1610, 1771, 1821, 1848, 1932, 2024, 2310, 2415, 2428, 2530, 2760, 3035, 3036, 3080, 3220, 3542, 3642, 3795, 3864, 4249, 4620, 4830, 4856, 5060, 5313, 6070, 6072, 6440, 6677, 7084, 7284, 7590, 8498, 8855, 9105, 9240, 9660, 10120, 10626, 12140, 12747, 13354, 13961, 14168, 14568, 15180, 16996, 17710, 18210, 19320, 20031, 21245, 21252, 24280, 25494, 26565, 26708, 27922, 30360, 33385, 33992, 35420, 36420, 40062, 41883, 42490, 42504, 46739, 50988, 53130, 53416, 55844, 63735, 66770, 69805, 70840, 72840, 80124, 83766, 84980, 93478, 97727, 100155, 101976, 106260, 111688, 127470, 133540, 139610, 140217, 153571, 160248, 167532, 169960, 186956, 195454, 200310, 209415, 212520, 233695, 254940, 267080, 279220, 280434, 293181, 307142, 335064, 373912, 390908, 400620, 418830, 460713, 467390, 488635, 509880, 558440, 560868, 586362, 614284, 701085, 767855, 781816, 801240, 837660, 921426, 934780, 977270, 1074997, 1121736, 1172724, 1228568, 1402170, 1465905, 1535710, 1675320, 1842852, 1869560, 1954540, 2149994, 2303565, 2345448, 2804340, 2931810, 3071420, 3224991, 3685704, 3909080, 4299988, 4607130, 5374985, 5608680, 5863620, 6142840, 6449982, 8599976, 9214260, 10749970, 11727240, 12899964, 16124955, 18428520, 21499940, 25799928, 32249910, 42999880, 64499820, 128999640]

約数ペア:

[(1, 128999640), (2, 64499820), (3, 42999880), (4, 32249910), (5, 25799928), (6, 21499940), (7, 18428520), (8, 16124955), (10, 12899964), (11, 11727240), (12, 10749970), (14, 9214260), (15, 8599976), (20, 6449982), (21, 6142840), (22, 5863620), (23, 5608680), (24, 5374985), (28, 4607130), (30, 4299988), (33, 3909080), (35, 3685704), (40, 3224991), (42, 3071420), (44, 2931810), (46, 2804340), (55, 2345448), (56, 2303565), (60, 2149994), (66, 1954540), (69, 1869560), (70, 1842852), (77, 1675320), (84, 1535710), (88, 1465905), (92, 1402170), (105, 1228568), (110, 1172724), (115, 1121736), (120, 1074997), (132, 977270), (138, 934780), (140, 921426), (154, 837660), (161, 801240), (165, 781816), (168, 767855), (184, 701085), (210, 614284), (220, 586362), (230, 560868), (231, 558440), (253, 509880), (264, 488635), (276, 467390), (280, 460713), (308, 418830), (322, 400620), (330, 390908), (345, 373912), (385, 335064), (420, 307142), (440, 293181), (460, 280434), (462, 279220), (483, 267080), (506, 254940), (552, 233695), (607, 212520), (616, 209415), (644, 200310), (660, 195454), (690, 186956), (759, 169960), (770, 167532), (805, 160248), (840, 153571), (920, 140217), (924, 139610), (966, 133540), (1012, 127470), (1155, 111688), (1214, 106260), (1265, 101976), (1288, 100155), (1320, 97727), (1380, 93478), (1518, 84980), (1540, 83766), (1610, 80124), (1771, 72840), (1821, 70840), (1848, 69805), (1932, 66770), (2024, 63735), (2310, 55844), (2415, 53416), (2428, 53130), (2530, 50988), (2760, 46739), (3035, 42504), (3036, 42490), (3080, 41883), (3220, 40062), (3542, 36420), (3642, 35420), (3795, 33992), (3864, 33385), (4249, 30360), (4620, 27922), (4830, 26708), (4856, 26565), (5060, 25494), (5313, 24280), (6070, 21252), (6072, 21245), (6440, 20031), (6677, 19320), (7084, 18210), (7284, 17710), (7590, 16996), (8498, 15180), (8855, 14568), (9105, 14168), (9240, 13961), (9660, 13354), (10120, 12747), (10626, 12140)]