126388640

素因数分解:

$2^5\times 5^1\times 7^5\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 355767552

約数和(自身を除く): 229378912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 224, 235, 245, 280, 329, 343, 376, 392, 470, 490, 560, 658, 686, 752, 784, 940, 980, 1120, 1316, 1372, 1504, 1568, 1645, 1715, 1880, 1960, 2303, 2401, 2632, 2744, 3290, 3430, 3760, 3920, 4606, 4802, 5264, 5488, 6580, 6860, 7520, 7840, 9212, 9604, 10528, 10976, 11515, 12005, 13160, 13720, 16121, 16807, 18424, 19208, 23030, 24010, 26320, 27440, 32242, 33614, 36848, 38416, 46060, 48020, 52640, 54880, 64484, 67228, 73696, 76832, 80605, 84035, 92120, 96040, 112847, 128968, 134456, 161210, 168070, 184240, 192080, 225694, 257936, 268912, 322420, 336140, 368480, 384160, 451388, 515872, 537824, 564235, 644840, 672280, 789929, 902776, 1128470, 1289680, 1344560, 1579858, 1805552, 2256940, 2579360, 2689120, 3159716, 3611104, 3949645, 4513880, 6319432, 7899290, 9027760, 12638864, 15798580, 18055520, 25277728, 31597160, 63194320, 126388640]

約数ペア:

[(1, 126388640), (2, 63194320), (4, 31597160), (5, 25277728), (7, 18055520), (8, 15798580), (10, 12638864), (14, 9027760), (16, 7899290), (20, 6319432), (28, 4513880), (32, 3949645), (35, 3611104), (40, 3159716), (47, 2689120), (49, 2579360), (56, 2256940), (70, 1805552), (80, 1579858), (94, 1344560), (98, 1289680), (112, 1128470), (140, 902776), (160, 789929), (188, 672280), (196, 644840), (224, 564235), (235, 537824), (245, 515872), (280, 451388), (329, 384160), (343, 368480), (376, 336140), (392, 322420), (470, 268912), (490, 257936), (560, 225694), (658, 192080), (686, 184240), (752, 168070), (784, 161210), (940, 134456), (980, 128968), (1120, 112847), (1316, 96040), (1372, 92120), (1504, 84035), (1568, 80605), (1645, 76832), (1715, 73696), (1880, 67228), (1960, 64484), (2303, 54880), (2401, 52640), (2632, 48020), (2744, 46060), (3290, 38416), (3430, 36848), (3760, 33614), (3920, 32242), (4606, 27440), (4802, 26320), (5264, 24010), (5488, 23030), (6580, 19208), (6860, 18424), (7520, 16807), (7840, 16121), (9212, 13720), (9604, 13160), (10528, 12005), (10976, 11515)]