313911720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{290659}}^1$

素因数の和:290679

約数の個数: 64

約数和(自身を含む): 1046376000

約数和(自身を除く): 732464280

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, 290659, 581318, 871977, 1162636, 1453295, 1743954, 2325272, 2615931, 2906590, 3487908, 4359885, 5231862, 5813180, 6975816, 7847793, 8719770, 10463724, 11626360, 13079655, 15695586, 17439540, 20927448, 26159310, 31391172, 34879080, 39238965, 52318620, 62782344, 78477930, 104637240, 156955860, 313911720]

約数ペア:

[(1, 313911720), (2, 156955860), (3, 104637240), (4, 78477930), (5, 62782344), (6, 52318620), (8, 39238965), (9, 34879080), (10, 31391172), (12, 26159310), (15, 20927448), (18, 17439540), (20, 15695586), (24, 13079655), (27, 11626360), (30, 10463724), (36, 8719770), (40, 7847793), (45, 6975816), (54, 5813180), (60, 5231862), (72, 4359885), (90, 3487908), (108, 2906590), (120, 2615931), (135, 2325272), (180, 1743954), (216, 1453295), (270, 1162636), (360, 871977), (540, 581318), (1080, 290659)]