7380390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 18659520

約数和(自身を除く): 11279130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 61, 74, 109, 111, 122, 183, 185, 218, 222, 305, 327, 366, 370, 545, 555, 610, 654, 915, 1090, 1110, 1635, 1830, 2257, 3270, 4033, 4514, 6649, 6771, 8066, 11285, 12099, 13298, 13542, 19947, 20165, 22570, 24198, 33245, 33855, 39894, 40330, 60495, 66490, 67710, 99735, 120990, 199470, 246013, 492026, 738039, 1230065, 1476078, 2460130, 3690195, 7380390]

約数ペア:

[(1, 7380390), (2, 3690195), (3, 2460130), (5, 1476078), (6, 1230065), (10, 738039), (15, 492026), (30, 246013), (37, 199470), (61, 120990), (74, 99735), (109, 67710), (111, 66490), (122, 60495), (183, 40330), (185, 39894), (218, 33855), (222, 33245), (305, 24198), (327, 22570), (366, 20165), (370, 19947), (545, 13542), (555, 13298), (610, 12099), (654, 11285), (915, 8066), (1090, 6771), (1110, 6649), (1635, 4514), (1830, 4033), (2257, 3270)]