61144280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 148262400

約数和(自身を除く): 87118120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 1871, 3268, 3742, 4085, 6536, 7484, 8170, 9355, 14968, 16340, 18710, 32680, 35549, 37420, 71098, 74840, 80453, 142196, 160906, 177745, 284392, 321812, 355490, 402265, 643624, 710980, 804530, 1421960, 1528607, 1609060, 3057214, 3218120, 6114428, 7643035, 12228856, 15286070, 30572140, 61144280]

約数ペア:

[(1, 61144280), (2, 30572140), (4, 15286070), (5, 12228856), (8, 7643035), (10, 6114428), (19, 3218120), (20, 3057214), (38, 1609060), (40, 1528607), (43, 1421960), (76, 804530), (86, 710980), (95, 643624), (152, 402265), (172, 355490), (190, 321812), (215, 284392), (344, 177745), (380, 160906), (430, 142196), (760, 80453), (817, 74840), (860, 71098), (1634, 37420), (1720, 35549), (1871, 32680), (3268, 18710), (3742, 16340), (4085, 14968), (6536, 9355), (7484, 8170)]