86716620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1999}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 264264000

約数和(自身を除く): 177547380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 1999, 2169, 2410, 2892, 3615, 3998, 4338, 4820, 5997, 7230, 7996, 8676, 9995, 10845, 11994, 14460, 17991, 19990, 21690, 23988, 29985, 35982, 39980, 43380, 59970, 71964, 89955, 119940, 179910, 359820, 481759, 963518, 1445277, 1927036, 2408795, 2890554, 4335831, 4817590, 5781108, 7226385, 8671662, 9635180, 14452770, 17343324, 21679155, 28905540, 43358310, 86716620]

約数ペア:

[(1, 86716620), (2, 43358310), (3, 28905540), (4, 21679155), (5, 17343324), (6, 14452770), (9, 9635180), (10, 8671662), (12, 7226385), (15, 5781108), (18, 4817590), (20, 4335831), (30, 2890554), (36, 2408795), (45, 1927036), (60, 1445277), (90, 963518), (180, 481759), (241, 359820), (482, 179910), (723, 119940), (964, 89955), (1205, 71964), (1446, 59970), (1999, 43380), (2169, 39980), (2410, 35982), (2892, 29985), (3615, 23988), (3998, 21690), (4338, 19990), (4820, 17991), (5997, 14460), (7230, 11994), (7996, 10845), (8676, 9995)]