16669980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2555

約数の個数: 72

約数和(自身を含む): 51952992

約数和(自身を除く): 35283012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2503, 3330, 5006, 6660, 7509, 10012, 12515, 15018, 22527, 25030, 30036, 37545, 45054, 50060, 75090, 90108, 92611, 112635, 150180, 185222, 225270, 277833, 370444, 450540, 463055, 555666, 833499, 926110, 1111332, 1389165, 1666998, 1852220, 2778330, 3333996, 4167495, 5556660, 8334990, 16669980]

約数ペア:

[(1, 16669980), (2, 8334990), (3, 5556660), (4, 4167495), (5, 3333996), (6, 2778330), (9, 1852220), (10, 1666998), (12, 1389165), (15, 1111332), (18, 926110), (20, 833499), (30, 555666), (36, 463055), (37, 450540), (45, 370444), (60, 277833), (74, 225270), (90, 185222), (111, 150180), (148, 112635), (180, 92611), (185, 90108), (222, 75090), (333, 50060), (370, 45054), (444, 37545), (555, 30036), (666, 25030), (740, 22527), (1110, 15018), (1332, 12515), (1665, 10012), (2220, 7509), (2503, 6660), (3330, 5006)]