247785720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22691}}^1$

素因数の和:22725

約数の個数: 128

約数和(自身を含む): 914941440

約数和(自身を除く): 667155720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 22691, 45382, 68073, 90764, 113455, 136146, 158837, 181528, 226910, 272292, 294983, 317674, 340365, 453820, 476511, 544584, 589966, 635348, 680730, 794185, 884949, 907640, 953022, 1179932, 1270696, 1361460, 1474915, 1588370, 1769898, 1906044, 2064881, 2359864, 2382555, 2722920, 2949830, 3176740, 3539796, 3812088, 4129762, 4424745, 4765110, 5899660, 6194643, 6353480, 7079592, 8259524, 8849490, 9530220, 10324405, 11799320, 12389286, 16519048, 17698980, 19060440, 20648810, 24778572, 30973215, 35397960, 41297620, 49557144, 61946430, 82595240, 123892860, 247785720]

約数ペア:

[(1, 247785720), (2, 123892860), (3, 82595240), (4, 61946430), (5, 49557144), (6, 41297620), (7, 35397960), (8, 30973215), (10, 24778572), (12, 20648810), (13, 19060440), (14, 17698980), (15, 16519048), (20, 12389286), (21, 11799320), (24, 10324405), (26, 9530220), (28, 8849490), (30, 8259524), (35, 7079592), (39, 6353480), (40, 6194643), (42, 5899660), (52, 4765110), (56, 4424745), (60, 4129762), (65, 3812088), (70, 3539796), (78, 3176740), (84, 2949830), (91, 2722920), (104, 2382555), (105, 2359864), (120, 2064881), (130, 1906044), (140, 1769898), (156, 1588370), (168, 1474915), (182, 1361460), (195, 1270696), (210, 1179932), (260, 953022), (273, 907640), (280, 884949), (312, 794185), (364, 680730), (390, 635348), (420, 589966), (455, 544584), (520, 476511), (546, 453820), (728, 340365), (780, 317674), (840, 294983), (910, 272292), (1092, 226910), (1365, 181528), (1560, 158837), (1820, 136146), (2184, 113455), (2730, 90764), (3640, 68073), (5460, 45382), (10920, 22691)]