78936060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26849}}^1$

素因数の和:26875

約数の個数: 72

約数和(自身を含む): 257115600

約数和(自身を除く): 178179540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 26849, 53698, 80547, 107396, 134245, 161094, 187943, 268490, 322188, 375886, 402735, 536980, 563829, 751772, 805470, 939715, 1127658, 1315601, 1610940, 1879430, 2255316, 2631202, 2819145, 3758860, 3946803, 5262404, 5638290, 6578005, 7893606, 11276580, 13156010, 15787212, 19734015, 26312020, 39468030, 78936060]

約数ペア:

[(1, 78936060), (2, 39468030), (3, 26312020), (4, 19734015), (5, 15787212), (6, 13156010), (7, 11276580), (10, 7893606), (12, 6578005), (14, 5638290), (15, 5262404), (20, 3946803), (21, 3758860), (28, 2819145), (30, 2631202), (35, 2255316), (42, 1879430), (49, 1610940), (60, 1315601), (70, 1127658), (84, 939715), (98, 805470), (105, 751772), (140, 563829), (147, 536980), (196, 402735), (210, 375886), (245, 322188), (294, 268490), (420, 187943), (490, 161094), (588, 134245), (735, 107396), (980, 80547), (1470, 53698), (2940, 26849)]