71257980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{62507}}^1$

素因数の和:62538

約数の個数: 48

約数和(自身を含む): 210026880

約数和(自身を除く): 138768900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 62507, 125014, 187521, 250028, 312535, 375042, 625070, 750084, 937605, 1187633, 1250140, 1875210, 2375266, 3562899, 3750420, 4750532, 5938165, 7125798, 11876330, 14251596, 17814495, 23752660, 35628990, 71257980]

約数ペア:

[(1, 71257980), (2, 35628990), (3, 23752660), (4, 17814495), (5, 14251596), (6, 11876330), (10, 7125798), (12, 5938165), (15, 4750532), (19, 3750420), (20, 3562899), (30, 2375266), (38, 1875210), (57, 1250140), (60, 1187633), (76, 937605), (95, 750084), (114, 625070), (190, 375042), (228, 312535), (285, 250028), (380, 187521), (570, 125014), (1140, 62507)]