128464560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:456

約数の個数: 240

約数和(自身を含む): 501396480

約数和(自身を除く): 372931920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 210, 213, 240, 252, 280, 284, 315, 336, 355, 359, 360, 420, 426, 497, 504, 560, 568, 630, 639, 710, 718, 720, 840, 852, 994, 1008, 1065, 1077, 1136, 1260, 1278, 1420, 1436, 1491, 1680, 1704, 1795, 1988, 2130, 2154, 2485, 2513, 2520, 2556, 2840, 2872, 2982, 3195, 3231, 3408, 3590, 3976, 4260, 4308, 4473, 4970, 5026, 5040, 5112, 5385, 5680, 5744, 5964, 6390, 6462, 7180, 7455, 7539, 7952, 8520, 8616, 8946, 9940, 10052, 10224, 10770, 11928, 12565, 12780, 12924, 14360, 14910, 15078, 16155, 17040, 17232, 17892, 19880, 20104, 21540, 22365, 22617, 23856, 25130, 25489, 25560, 25848, 28720, 29820, 30156, 32310, 35784, 37695, 39760, 40208, 43080, 44730, 45234, 50260, 50978, 51120, 51696, 59640, 60312, 64620, 71568, 75390, 76467, 86160, 89460, 90468, 100520, 101956, 113085, 119280, 120624, 127445, 129240, 150780, 152934, 178423, 178920, 180936, 201040, 203912, 226170, 229401, 254890, 258480, 301560, 305868, 356846, 357840, 361872, 382335, 407824, 452340, 458802, 509780, 535269, 603120, 611736, 713692, 764670, 892115, 904680, 917604, 1019560, 1070538, 1147005, 1223472, 1427384, 1529340, 1605807, 1784230, 1809360, 1835208, 2039120, 2141076, 2294010, 2676345, 2854768, 3058680, 3211614, 3568460, 3670416, 4282152, 4588020, 5352690, 6117360, 6423228, 7136920, 8029035, 8564304, 9176040, 10705380, 12846456, 14273840, 16058070, 18352080, 21410760, 25692912, 32116140, 42821520, 64232280, 128464560]

約数ペア:

[(1, 128464560), (2, 64232280), (3, 42821520), (4, 32116140), (5, 25692912), (6, 21410760), (7, 18352080), (8, 16058070), (9, 14273840), (10, 12846456), (12, 10705380), (14, 9176040), (15, 8564304), (16, 8029035), (18, 7136920), (20, 6423228), (21, 6117360), (24, 5352690), (28, 4588020), (30, 4282152), (35, 3670416), (36, 3568460), (40, 3211614), (42, 3058680), (45, 2854768), (48, 2676345), (56, 2294010), (60, 2141076), (63, 2039120), (70, 1835208), (71, 1809360), (72, 1784230), (80, 1605807), (84, 1529340), (90, 1427384), (105, 1223472), (112, 1147005), (120, 1070538), (126, 1019560), (140, 917604), (142, 904680), (144, 892115), (168, 764670), (180, 713692), (210, 611736), (213, 603120), (240, 535269), (252, 509780), (280, 458802), (284, 452340), (315, 407824), (336, 382335), (355, 361872), (359, 357840), (360, 356846), (420, 305868), (426, 301560), (497, 258480), (504, 254890), (560, 229401), (568, 226170), (630, 203912), (639, 201040), (710, 180936), (718, 178920), (720, 178423), (840, 152934), (852, 150780), (994, 129240), (1008, 127445), (1065, 120624), (1077, 119280), (1136, 113085), (1260, 101956), (1278, 100520), (1420, 90468), (1436, 89460), (1491, 86160), (1680, 76467), (1704, 75390), (1795, 71568), (1988, 64620), (2130, 60312), (2154, 59640), (2485, 51696), (2513, 51120), (2520, 50978), (2556, 50260), (2840, 45234), (2872, 44730), (2982, 43080), (3195, 40208), (3231, 39760), (3408, 37695), (3590, 35784), (3976, 32310), (4260, 30156), (4308, 29820), (4473, 28720), (4970, 25848), (5026, 25560), (5040, 25489), (5112, 25130), (5385, 23856), (5680, 22617), (5744, 22365), (5964, 21540), (6390, 20104), (6462, 19880), (7180, 17892), (7455, 17232), (7539, 17040), (7952, 16155), (8520, 15078), (8616, 14910), (8946, 14360), (9940, 12924), (10052, 12780), (10224, 12565), (10770, 11928)]