87881880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{991}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 264268800

約数和(自身を除く): 176386920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 739, 991, 1478, 1982, 2217, 2956, 2973, 3695, 3964, 4434, 4955, 5912, 5946, 7390, 7928, 8868, 9910, 11085, 11892, 14780, 14865, 17736, 19820, 22170, 23784, 29560, 29730, 39640, 44340, 59460, 88680, 118920, 732349, 1464698, 2197047, 2929396, 3661745, 4394094, 5858792, 7323490, 8788188, 10985235, 14646980, 17576376, 21970470, 29293960, 43940940, 87881880]

約数ペア:

[(1, 87881880), (2, 43940940), (3, 29293960), (4, 21970470), (5, 17576376), (6, 14646980), (8, 10985235), (10, 8788188), (12, 7323490), (15, 5858792), (20, 4394094), (24, 3661745), (30, 2929396), (40, 2197047), (60, 1464698), (120, 732349), (739, 118920), (991, 88680), (1478, 59460), (1982, 44340), (2217, 39640), (2956, 29730), (2973, 29560), (3695, 23784), (3964, 22170), (4434, 19820), (4955, 17736), (5912, 14865), (5946, 14780), (7390, 11892), (7928, 11085), (8868, 9910)]