68764640

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{179}}^1$

素因数の和:222

約数の個数: 120

約数和(自身を含む): 190580040

約数和(自身を除く): 121815400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 179, 196, 224, 245, 280, 343, 358, 392, 490, 560, 686, 716, 784, 895, 980, 1120, 1253, 1372, 1432, 1568, 1715, 1790, 1960, 2401, 2506, 2744, 2864, 3430, 3580, 3920, 4802, 5012, 5488, 5728, 6265, 6860, 7160, 7840, 8771, 9604, 10024, 10976, 12005, 12530, 13720, 14320, 17542, 19208, 20048, 24010, 25060, 27440, 28640, 35084, 38416, 40096, 43855, 48020, 50120, 54880, 61397, 70168, 76832, 87710, 96040, 100240, 122794, 140336, 175420, 192080, 200480, 245588, 280672, 306985, 350840, 384160, 429779, 491176, 613970, 701680, 859558, 982352, 1227940, 1403360, 1719116, 1964704, 2148895, 2455880, 3438232, 4297790, 4911760, 6876464, 8595580, 9823520, 13752928, 17191160, 34382320, 68764640]

約数ペア:

[(1, 68764640), (2, 34382320), (4, 17191160), (5, 13752928), (7, 9823520), (8, 8595580), (10, 6876464), (14, 4911760), (16, 4297790), (20, 3438232), (28, 2455880), (32, 2148895), (35, 1964704), (40, 1719116), (49, 1403360), (56, 1227940), (70, 982352), (80, 859558), (98, 701680), (112, 613970), (140, 491176), (160, 429779), (179, 384160), (196, 350840), (224, 306985), (245, 280672), (280, 245588), (343, 200480), (358, 192080), (392, 175420), (490, 140336), (560, 122794), (686, 100240), (716, 96040), (784, 87710), (895, 76832), (980, 70168), (1120, 61397), (1253, 54880), (1372, 50120), (1432, 48020), (1568, 43855), (1715, 40096), (1790, 38416), (1960, 35084), (2401, 28640), (2506, 27440), (2744, 25060), (2864, 24010), (3430, 20048), (3580, 19208), (3920, 17542), (4802, 14320), (5012, 13720), (5488, 12530), (5728, 12005), (6265, 10976), (6860, 10024), (7160, 9604), (7840, 8771)]