66101980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1823}}^1$

素因数の和:1883

約数の個数: 72

約数和(自身を含む): 165932928

約数和(自身を除く): 99830948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 1823, 2590, 3626, 3646, 5180, 7252, 7292, 9065, 9115, 12761, 18130, 18230, 25522, 36260, 36460, 51044, 63805, 67451, 89327, 127610, 134902, 178654, 255220, 269804, 337255, 357308, 446635, 472157, 674510, 893270, 944314, 1349020, 1786540, 1888628, 2360785, 3305099, 4721570, 6610198, 9443140, 13220396, 16525495, 33050990, 66101980]

約数ペア:

[(1, 66101980), (2, 33050990), (4, 16525495), (5, 13220396), (7, 9443140), (10, 6610198), (14, 4721570), (20, 3305099), (28, 2360785), (35, 1888628), (37, 1786540), (49, 1349020), (70, 944314), (74, 893270), (98, 674510), (140, 472157), (148, 446635), (185, 357308), (196, 337255), (245, 269804), (259, 255220), (370, 178654), (490, 134902), (518, 127610), (740, 89327), (980, 67451), (1036, 63805), (1295, 51044), (1813, 36460), (1823, 36260), (2590, 25522), (3626, 18230), (3646, 18130), (5180, 12761), (7252, 9115), (7292, 9065)]