51638940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4703}}^1$

素因数の和:4779

約数の個数: 72

約数和(自身を含む): 159239808

約数和(自身を除く): 107600868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 4703, 5490, 9406, 10980, 14109, 18812, 23515, 28218, 42327, 47030, 56436, 70545, 84654, 94060, 141090, 169308, 211635, 282180, 286883, 423270, 573766, 846540, 860649, 1147532, 1434415, 1721298, 2581947, 2868830, 3442596, 4303245, 5163894, 5737660, 8606490, 10327788, 12909735, 17212980, 25819470, 51638940]

約数ペア:

[(1, 51638940), (2, 25819470), (3, 17212980), (4, 12909735), (5, 10327788), (6, 8606490), (9, 5737660), (10, 5163894), (12, 4303245), (15, 3442596), (18, 2868830), (20, 2581947), (30, 1721298), (36, 1434415), (45, 1147532), (60, 860649), (61, 846540), (90, 573766), (122, 423270), (180, 286883), (183, 282180), (244, 211635), (305, 169308), (366, 141090), (549, 94060), (610, 84654), (732, 70545), (915, 56436), (1098, 47030), (1220, 42327), (1830, 28218), (2196, 23515), (2745, 18812), (3660, 14109), (4703, 10980), (5490, 9406)]