16911540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 52416000

約数和(自身を除く): 35504460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 1999, 2115, 2820, 3998, 4230, 5997, 7996, 8460, 9995, 11994, 17991, 19990, 23988, 29985, 35982, 39980, 59970, 71964, 89955, 93953, 119940, 179910, 187906, 281859, 359820, 375812, 469765, 563718, 845577, 939530, 1127436, 1409295, 1691154, 1879060, 2818590, 3382308, 4227885, 5637180, 8455770, 16911540]

約数ペア:

[(1, 16911540), (2, 8455770), (3, 5637180), (4, 4227885), (5, 3382308), (6, 2818590), (9, 1879060), (10, 1691154), (12, 1409295), (15, 1127436), (18, 939530), (20, 845577), (30, 563718), (36, 469765), (45, 375812), (47, 359820), (60, 281859), (90, 187906), (94, 179910), (141, 119940), (180, 93953), (188, 89955), (235, 71964), (282, 59970), (423, 39980), (470, 35982), (564, 29985), (705, 23988), (846, 19990), (940, 17991), (1410, 11994), (1692, 9995), (1999, 8460), (2115, 7996), (2820, 5997), (3998, 4230)]