81675160

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5953}}^1$

素因数の和:5985

約数の個数: 64

約数和(自身を含む): 214344000

約数和(自身を除く): 132668840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5953, 6860, 11906, 13720, 23812, 29765, 41671, 47624, 59530, 83342, 119060, 166684, 208355, 238120, 291697, 333368, 416710, 583394, 833420, 1166788, 1458485, 1666840, 2041879, 2333576, 2916970, 4083758, 5833940, 8167516, 10209395, 11667880, 16335032, 20418790, 40837580, 81675160]

約数ペア:

[(1, 81675160), (2, 40837580), (4, 20418790), (5, 16335032), (7, 11667880), (8, 10209395), (10, 8167516), (14, 5833940), (20, 4083758), (28, 2916970), (35, 2333576), (40, 2041879), (49, 1666840), (56, 1458485), (70, 1166788), (98, 833420), (140, 583394), (196, 416710), (245, 333368), (280, 291697), (343, 238120), (392, 208355), (490, 166684), (686, 119060), (980, 83342), (1372, 59530), (1715, 47624), (1960, 41671), (2744, 29765), (3430, 23812), (5953, 13720), (6860, 11906)]