4197180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5381}}^1$

素因数の和:5406

約数の個数: 48

約数和(自身を含む): 12658464

約数和(自身を除く): 8461284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5381, 10762, 16143, 21524, 26905, 32286, 53810, 64572, 69953, 80715, 107620, 139906, 161430, 209859, 279812, 322860, 349765, 419718, 699530, 839436, 1049295, 1399060, 2098590, 4197180]

約数ペア:

[(1, 4197180), (2, 2098590), (3, 1399060), (4, 1049295), (5, 839436), (6, 699530), (10, 419718), (12, 349765), (13, 322860), (15, 279812), (20, 209859), (26, 161430), (30, 139906), (39, 107620), (52, 80715), (60, 69953), (65, 64572), (78, 53810), (130, 32286), (156, 26905), (195, 21524), (260, 16143), (390, 10762), (780, 5381)]