1878451680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{769}}^1$

素因数の和:1521

約数の個数: 192

約数和(自身を含む): 6780533760

約数和(自身を除く): 4902082080

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, 210, 224, 240, 280, 336, 420, 480, 560, 672, 727, 769, 840, 1120, 1454, 1538, 1680, 2181, 2307, 2908, 3076, 3360, 3635, 3845, 4362, 4614, 5089, 5383, 5816, 6152, 7270, 7690, 8724, 9228, 10178, 10766, 10905, 11535, 11632, 12304, 14540, 15267, 15380, 16149, 17448, 18456, 20356, 21532, 21810, 23070, 23264, 24608, 25445, 26915, 29080, 30534, 30760, 32298, 34896, 36912, 40712, 43064, 43620, 46140, 50890, 53830, 58160, 61068, 61520, 64596, 69792, 73824, 76335, 80745, 81424, 86128, 87240, 92280, 101780, 107660, 116320, 122136, 123040, 129192, 152670, 161490, 162848, 172256, 174480, 184560, 203560, 215320, 244272, 258384, 305340, 322980, 348960, 369120, 407120, 430640, 488544, 516768, 559063, 610680, 645960, 814240, 861280, 1118126, 1221360, 1291920, 1677189, 2236252, 2442720, 2583840, 2795315, 3354378, 3913441, 4472504, 5590630, 6708756, 7826882, 8385945, 8945008, 11181260, 11740323, 13417512, 15653764, 16771890, 17890016, 19567205, 22362520, 23480646, 26835024, 31307528, 33543780, 39134410, 44725040, 46961292, 53670048, 58701615, 62615056, 67087560, 78268820, 89450080, 93922584, 117403230, 125230112, 134175120, 156537640, 187845168, 234806460, 268350240, 313075280, 375690336, 469612920, 626150560, 939225840, 1878451680]

約数ペア:

[(1, 1878451680), (2, 939225840), (3, 626150560), (4, 469612920), (5, 375690336), (6, 313075280), (7, 268350240), (8, 234806460), (10, 187845168), (12, 156537640), (14, 134175120), (15, 125230112), (16, 117403230), (20, 93922584), (21, 89450080), (24, 78268820), (28, 67087560), (30, 62615056), (32, 58701615), (35, 53670048), (40, 46961292), (42, 44725040), (48, 39134410), (56, 33543780), (60, 31307528), (70, 26835024), (80, 23480646), (84, 22362520), (96, 19567205), (105, 17890016), (112, 16771890), (120, 15653764), (140, 13417512), (160, 11740323), (168, 11181260), (210, 8945008), (224, 8385945), (240, 7826882), (280, 6708756), (336, 5590630), (420, 4472504), (480, 3913441), (560, 3354378), (672, 2795315), (727, 2583840), (769, 2442720), (840, 2236252), (1120, 1677189), (1454, 1291920), (1538, 1221360), (1680, 1118126), (2181, 861280), (2307, 814240), (2908, 645960), (3076, 610680), (3360, 559063), (3635, 516768), (3845, 488544), (4362, 430640), (4614, 407120), (5089, 369120), (5383, 348960), (5816, 322980), (6152, 305340), (7270, 258384), (7690, 244272), (8724, 215320), (9228, 203560), (10178, 184560), (10766, 174480), (10905, 172256), (11535, 162848), (11632, 161490), (12304, 152670), (14540, 129192), (15267, 123040), (15380, 122136), (16149, 116320), (17448, 107660), (18456, 101780), (20356, 92280), (21532, 87240), (21810, 86128), (23070, 81424), (23264, 80745), (24608, 76335), (25445, 73824), (26915, 69792), (29080, 64596), (30534, 61520), (30760, 61068), (32298, 58160), (34896, 53830), (36912, 50890), (40712, 46140), (43064, 43620)]