90856980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2011}}^1$

素因数の和:2277

約数の個数: 72

約数和(自身を含む): 276835104

約数和(自身を除く): 185978124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2011, 2259, 2510, 3012, 3765, 4022, 4518, 5020, 6033, 7530, 8044, 9036, 10055, 11295, 12066, 15060, 18099, 20110, 22590, 24132, 30165, 36198, 40220, 45180, 60330, 72396, 90495, 120660, 180990, 361980, 504761, 1009522, 1514283, 2019044, 2523805, 3028566, 4542849, 5047610, 6057132, 7571415, 9085698, 10095220, 15142830, 18171396, 22714245, 30285660, 45428490, 90856980]

約数ペア:

[(1, 90856980), (2, 45428490), (3, 30285660), (4, 22714245), (5, 18171396), (6, 15142830), (9, 10095220), (10, 9085698), (12, 7571415), (15, 6057132), (18, 5047610), (20, 4542849), (30, 3028566), (36, 2523805), (45, 2019044), (60, 1514283), (90, 1009522), (180, 504761), (251, 361980), (502, 180990), (753, 120660), (1004, 90495), (1255, 72396), (1506, 60330), (2011, 45180), (2259, 40220), (2510, 36198), (3012, 30165), (3765, 24132), (4022, 22590), (4518, 20110), (5020, 18099), (6033, 15060), (7530, 12066), (8044, 11295), (9036, 10055)]