2912985540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{6329}}^1$

素因数の和:8901

約数の個数: 72

約数和(自身を含む): 8840908440

約数和(自身を除く): 5927922900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2557, 5114, 6329, 7671, 10228, 12658, 12785, 15342, 18987, 23013, 25316, 25570, 30684, 31645, 37974, 38355, 46026, 51140, 56961, 63290, 75948, 76710, 92052, 94935, 113922, 115065, 126580, 153420, 189870, 227844, 230130, 284805, 379740, 460260, 569610, 1139220, 16183253, 32366506, 48549759, 64733012, 80916265, 97099518, 145649277, 161832530, 194199036, 242748795, 291298554, 323665060, 485497590, 582597108, 728246385, 970995180, 1456492770, 2912985540]

約数ペア:

[(1, 2912985540), (2, 1456492770), (3, 970995180), (4, 728246385), (5, 582597108), (6, 485497590), (9, 323665060), (10, 291298554), (12, 242748795), (15, 194199036), (18, 161832530), (20, 145649277), (30, 97099518), (36, 80916265), (45, 64733012), (60, 48549759), (90, 32366506), (180, 16183253), (2557, 1139220), (5114, 569610), (6329, 460260), (7671, 379740), (10228, 284805), (12658, 230130), (12785, 227844), (15342, 189870), (18987, 153420), (23013, 126580), (25316, 115065), (25570, 113922), (30684, 94935), (31645, 92052), (37974, 76710), (38355, 75948), (46026, 63290), (51140, 56961)]