128321760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 192

約数和(自身を含む): 466712064

約数和(自身を除く): 338390304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 181, 210, 211, 224, 240, 280, 336, 362, 420, 422, 480, 543, 560, 633, 672, 724, 840, 844, 905, 1055, 1086, 1120, 1266, 1267, 1448, 1477, 1680, 1688, 1810, 2110, 2172, 2532, 2534, 2715, 2896, 2954, 3165, 3360, 3376, 3620, 3801, 4220, 4344, 4431, 5064, 5068, 5430, 5792, 5908, 6330, 6335, 6752, 7240, 7385, 7602, 8440, 8688, 8862, 10128, 10136, 10860, 11816, 12660, 12670, 14480, 14770, 15204, 16880, 17376, 17724, 19005, 20256, 20272, 21720, 22155, 23632, 25320, 25340, 28960, 29540, 30408, 33760, 35448, 38010, 38191, 40544, 43440, 44310, 47264, 50640, 50680, 59080, 60816, 70896, 76020, 76382, 86880, 88620, 101280, 101360, 114573, 118160, 121632, 141792, 152040, 152764, 177240, 190955, 202720, 229146, 236320, 267337, 304080, 305528, 354480, 381910, 458292, 534674, 572865, 608160, 611056, 708960, 763820, 802011, 916584, 1069348, 1145730, 1222112, 1336685, 1527640, 1604022, 1833168, 2138696, 2291460, 2673370, 3055280, 3208044, 3666336, 4010055, 4277392, 4582920, 5346740, 6110560, 6416088, 8020110, 8554784, 9165840, 10693480, 12832176, 16040220, 18331680, 21386960, 25664352, 32080440, 42773920, 64160880, 128321760]

約数ペア:

[(1, 128321760), (2, 64160880), (3, 42773920), (4, 32080440), (5, 25664352), (6, 21386960), (7, 18331680), (8, 16040220), (10, 12832176), (12, 10693480), (14, 9165840), (15, 8554784), (16, 8020110), (20, 6416088), (21, 6110560), (24, 5346740), (28, 4582920), (30, 4277392), (32, 4010055), (35, 3666336), (40, 3208044), (42, 3055280), (48, 2673370), (56, 2291460), (60, 2138696), (70, 1833168), (80, 1604022), (84, 1527640), (96, 1336685), (105, 1222112), (112, 1145730), (120, 1069348), (140, 916584), (160, 802011), (168, 763820), (181, 708960), (210, 611056), (211, 608160), (224, 572865), (240, 534674), (280, 458292), (336, 381910), (362, 354480), (420, 305528), (422, 304080), (480, 267337), (543, 236320), (560, 229146), (633, 202720), (672, 190955), (724, 177240), (840, 152764), (844, 152040), (905, 141792), (1055, 121632), (1086, 118160), (1120, 114573), (1266, 101360), (1267, 101280), (1448, 88620), (1477, 86880), (1680, 76382), (1688, 76020), (1810, 70896), (2110, 60816), (2172, 59080), (2532, 50680), (2534, 50640), (2715, 47264), (2896, 44310), (2954, 43440), (3165, 40544), (3360, 38191), (3376, 38010), (3620, 35448), (3801, 33760), (4220, 30408), (4344, 29540), (4431, 28960), (5064, 25340), (5068, 25320), (5430, 23632), (5792, 22155), (5908, 21720), (6330, 20272), (6335, 20256), (6752, 19005), (7240, 17724), (7385, 17376), (7602, 16880), (8440, 15204), (8688, 14770), (8862, 14480), (10128, 12670), (10136, 12660), (10860, 11816)]