1555149715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5981}}^1$

素因数の和:6052

約数の個数: 64

約数和(自身を含む): 2480855040

約数和(自身を除く): 925705325

約数列:

[1, 5, 7, 17, 19, 23, 35, 85, 95, 115, 119, 133, 161, 323, 391, 437, 595, 665, 805, 1615, 1955, 2185, 2261, 2737, 3059, 5981, 7429, 11305, 13685, 15295, 29905, 37145, 41867, 52003, 101677, 113639, 137563, 209335, 260015, 508385, 568195, 687815, 711739, 795473, 962941, 1931863, 2338571, 2613697, 3558695, 3977365, 4814705, 9659315, 11692855, 13068485, 13523041, 16369997, 18295879, 44432849, 67615205, 81849985, 91479395, 222164245, 311029943, 1555149715]

約数ペア:

[(1, 1555149715), (5, 311029943), (7, 222164245), (17, 91479395), (19, 81849985), (23, 67615205), (35, 44432849), (85, 18295879), (95, 16369997), (115, 13523041), (119, 13068485), (133, 11692855), (161, 9659315), (323, 4814705), (391, 3977365), (437, 3558695), (595, 2613697), (665, 2338571), (805, 1931863), (1615, 962941), (1955, 795473), (2185, 711739), (2261, 687815), (2737, 568195), (3059, 508385), (5981, 260015), (7429, 209335), (11305, 137563), (13685, 113639), (15295, 101677), (29905, 52003), (37145, 41867)]