77745960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71987}}^1$

素因数の和:72007

約数の個数: 64

約数和(自身を含む): 259156800

約数和(自身を除く): 181410840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 71987, 143974, 215961, 287948, 359935, 431922, 575896, 647883, 719870, 863844, 1079805, 1295766, 1439740, 1727688, 1943649, 2159610, 2591532, 2879480, 3239415, 3887298, 4319220, 5183064, 6478830, 7774596, 8638440, 9718245, 12957660, 15549192, 19436490, 25915320, 38872980, 77745960]

約数ペア:

[(1, 77745960), (2, 38872980), (3, 25915320), (4, 19436490), (5, 15549192), (6, 12957660), (8, 9718245), (9, 8638440), (10, 7774596), (12, 6478830), (15, 5183064), (18, 4319220), (20, 3887298), (24, 3239415), (27, 2879480), (30, 2591532), (36, 2159610), (40, 1943649), (45, 1727688), (54, 1439740), (60, 1295766), (72, 1079805), (90, 863844), (108, 719870), (120, 647883), (135, 575896), (180, 431922), (216, 359935), (270, 287948), (360, 215961), (540, 143974), (1080, 71987)]