80769640

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 219570390

約数和(自身を除く): 138800750

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 343, 392, 406, 490, 580, 686, 812, 841, 980, 1015, 1160, 1372, 1421, 1624, 1682, 1715, 1960, 2030, 2401, 2744, 2842, 3364, 3430, 4060, 4205, 4802, 5684, 5887, 6728, 6860, 7105, 8120, 8410, 9604, 9947, 11368, 11774, 12005, 13720, 14210, 16820, 19208, 19894, 23548, 24010, 28420, 29435, 33640, 39788, 41209, 47096, 48020, 49735, 56840, 58870, 69629, 79576, 82418, 96040, 99470, 117740, 139258, 164836, 198940, 206045, 235480, 278516, 288463, 329672, 348145, 397880, 412090, 557032, 576926, 696290, 824180, 1153852, 1392580, 1442315, 1648360, 2019241, 2307704, 2785160, 2884630, 4038482, 5769260, 8076964, 10096205, 11538520, 16153928, 20192410, 40384820, 80769640]

約数ペア:

[(1, 80769640), (2, 40384820), (4, 20192410), (5, 16153928), (7, 11538520), (8, 10096205), (10, 8076964), (14, 5769260), (20, 4038482), (28, 2884630), (29, 2785160), (35, 2307704), (40, 2019241), (49, 1648360), (56, 1442315), (58, 1392580), (70, 1153852), (98, 824180), (116, 696290), (140, 576926), (145, 557032), (196, 412090), (203, 397880), (232, 348145), (245, 329672), (280, 288463), (290, 278516), (343, 235480), (392, 206045), (406, 198940), (490, 164836), (580, 139258), (686, 117740), (812, 99470), (841, 96040), (980, 82418), (1015, 79576), (1160, 69629), (1372, 58870), (1421, 56840), (1624, 49735), (1682, 48020), (1715, 47096), (1960, 41209), (2030, 39788), (2401, 33640), (2744, 29435), (2842, 28420), (3364, 24010), (3430, 23548), (4060, 19894), (4205, 19208), (4802, 16820), (5684, 14210), (5887, 13720), (6728, 12005), (6860, 11774), (7105, 11368), (8120, 9947), (8410, 9604)]